diff --git a/doc/utils.md b/doc/utils.md
index bf86b70..c517eda 100644
--- a/doc/utils.md
+++ b/doc/utils.md
@@ -33,7 +33,7 @@ Splits given loaded CSV into two tables at the first empty row.
 
 ### Dictionary
 
-    (import util-dict)
+    (import util-dict-list)
 
 This module implements a simple key/value dictionary using lists as
 backend. All operations are O(n) with respect to time.
diff --git a/src/Makefile b/src/Makefile
index 31fcfb1..110f433 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -40,7 +40,7 @@ HACKERBASE-DEPS=hackerbase.scm month.import.scm				\
 	tests.import.scm
 
 HACKERBASE-OBJS=hackerbase.o testing.o listing.o month.o period.o ansi.o	\
-	 util-dict.o command-line.o members-base.o primes.o		\
+	 util-dict-list.o command-line.o members-base.o primes.o		\
 	 member-record.o configuration.o progress.o table.o cards.o	\
 	 members-print.o member-fees.o members-dir.o util-csv.o		\
 	 bank-account.o bank-fio.o members-payments.o member-parser.o	\
@@ -90,10 +90,11 @@ LISTING-SOURCES=listing.scm testing.import.scm ansi.import.scm
 listing.o: listing.import.scm
 listing.import.scm: $(LISTING-SOURCES)
 
-UTIL-DICT-SOURCES=util-dict.scm testing.import.scm
+UTIL-DICT-LIST-SOURCES=util-dict-list.scm testing.import.scm	\
+	util-tag.import.scm
 
-util-dict.o: util-dict.import.scm
-util-dict.import.scm: $(UTIL-DICT-SOURCES)
+util-dict-list.o: util-dict-list.import.scm
+util-dict-list.import.scm: $(UTIL-DICT-LIST-SOURCES)
 
 MONTH-SOURCES=month.scm testing.import.scm
 
@@ -118,7 +119,7 @@ command-line.o: command-line.import.scm
 command-line.import.scm: $(COMMAND-LINE-SOURCES)
 
 MEMBERS-BASE-SOURCES=members-base.scm testing.import.scm		\
-	 util-dict.import.scm primes.import.scm			\
+	 util-dict-list.import.scm primes.import.scm			\
 	 member-record.import.scm ansi.import.scm period.import.scm	\
 	 month.import.scm configuration.import.scm			\
 	 progress.import.scm table.import.scm members-dir.import.scm	\
@@ -137,7 +138,7 @@ PRIMES-SOURCES=primes.scm testing.import.scm util-list.import.scm
 primes.o: primes.import.scm
 primes.import.scm: $(PRIMES-SOURCES)
 
-MEMBER-RECORD-SOURCES=member-record.scm util-dict.import.scm	\
+MEMBER-RECORD-SOURCES=member-record.scm util-dict-list.import.scm	\
 	period.import.scm testing.import.scm month.import.scm	\
 	configuration.import.scm primes.import.scm		\
 	bank-account.import.scm util-list.import.scm
@@ -162,14 +163,14 @@ TABLE-SOURCES=table.scm ansi.import.scm testing.import.scm	\
 table.o: table.import.scm
 table.import.scm: $(TABLE-SOURCES)
 
-CARDS-SOURCES=cards.scm util-dict.import.scm members-base.import.scm	\
+CARDS-SOURCES=cards.scm util-dict-list.import.scm members-base.import.scm	\
 	member-record.import.scm
 
 cards.o: cards.import.scm
 cards.import.scm: $(CARDS-SOURCES)
 
 MEMBER-PARSER-SOURCES=member-parser.scm member-record.import.scm	\
-	testing.import.scm util-dict.import.scm month.import.scm	\
+	testing.import.scm util-dict-list.import.scm month.import.scm	\
 	period.import.scm configuration.import.scm			\
 	util-string.import.scm util-list.import.scm			\
 	util-parser.import.scm
@@ -177,7 +178,7 @@ MEMBER-PARSER-SOURCES=member-parser.scm member-record.import.scm	\
 member-parser.o: member-parser.import.scm
 member-parser.import.scm: $(MEMBER-PARSER-SOURCES)
 
-MEMBERS-PRINT-SOURCES=members-print.scm util-dict.import.scm		\
+MEMBERS-PRINT-SOURCES=members-print.scm util-dict-list.import.scm		\
 	member-record.import.scm month.import.scm table.import.scm	\
 	listing.import.scm ansi.import.scm period.import.scm		\
 	primes.import.scm members-base.import.scm			\
@@ -196,7 +197,7 @@ member-fees.o: member-fees.import.scm
 member-fees.import.scm: $(MEMBER-FEES-SOURCES)
 
 MEMBERS-DIR-SOURCES=members-dir.scm testing.import.scm	\
-	util-dict.import.scm member-record.import.scm	\
+	util-dict-list.import.scm member-record.import.scm	\
 	member-parser.import.scm util-list.import.scm
 
 members-dir.o: members-dir.import.scm
@@ -220,7 +221,7 @@ bank-fio.o: bank-fio.import.scm
 bank-fio.import.scm: $(BANK-FIO-SOURCES)
 
 MEMBERS-PAYMENTS-SOURCES=members-payments.scm bank-account.import.scm	\
-	util-dict.import.scm member-fees.import.scm			\
+	util-dict-list.import.scm member-fees.import.scm			\
 	period.import.scm configuration.import.scm			\
 	progress.import.scm bank-fio.import.scm util-list.import.scm
 
@@ -293,7 +294,7 @@ TEXTS-SOURCES=texts.scm
 texts.o: texts.import.scm
 texts.import.scm: $(TEXTS-SOURCES)
 
-TESTS-SOURCES=tests.scm listing.import.scm util-dict.import.scm	\
+TESTS-SOURCES=tests.scm listing.import.scm util-dict-list.import.scm	\
 	month.import.scm period.import.scm util-list.import.scm		\
 	ansi.import.scm command-line.import.scm				\
 	members-dir.import.scm primes.import.scm			\
diff --git a/src/member-parser.scm b/src/member-parser.scm
index 0238fd1..978b09c 100644
--- a/src/member-parser.scm
+++ b/src/member-parser.scm
@@ -37,7 +37,7 @@
 	 (chicken irregex)
 	 member-record
 	 testing
-	 dictionary
+	 util-dict-list
 	 month
 	 period
 	 util-list
@@ -163,9 +163,9 @@
  ;; number, known multikeys as lists of pairs of value and line
  ;; number.
  (define (process-member-file mr)
-   (let loop ((parsed (dict-ref mr 'parsed))
+   (let loop ((parsed (ldict-ref mr 'parsed))
 	      (mr mr)
-	      (processed (make-dict)))
+	      (processed (make-ldict)))
      (if (null? parsed)
 	 (member-record-set mr #:processed processed)
 	 (let* ((line (car parsed))
@@ -173,18 +173,18 @@
 		(value (cadr line))
 		(number (caddr line)))
 	   (if (member key known-keys)
-	       (if (dict-has-key? processed key)
+	       (if (ldict-contains? processed key)
 		   (loop (cdr parsed)
 			 (member-record-add-highlight mr number "Duplicate key" 2 'error)
 			 processed)
 		   (loop (cdr parsed)
 			 mr
-			 (dict-set processed key (cons value number))))
+			 (ldict-set processed key (cons value number))))
 	       (if (member key known-multikeys)
 		   (loop (cdr parsed)
 			 mr
-			 (dict-set processed key (cons (cons value number)
-						       (dict-ref processed key '()))))
+			 (ldict-set processed key (cons (cons value number)
+						       (ldict-ref processed key '()))))
 		   (loop (cdr parsed)
 			 (if (member key ignored-keys)
 			     mr
@@ -194,14 +194,14 @@
  ;; Pass 3+: Single interpreter pass - input must be
  ;; dictionary. Output is top-level key of member record.
  (define (interpreter-pass mr output input pass-proc)
-   (let loop ((keys (dict-keys input))
-	      (mr (dict-set mr output (make-dict))))
+   (let loop ((keys (ldict-keys input))
+	      (mr (ldict-set mr output (make-ldict))))
      (if (null? keys)
 	 mr
 	 (let ((key (car keys)))
 	   (loop (cdr keys)
 		 (pass-proc mr output key
-			    (dict-ref input key)))))))
+			    (ldict-ref input key)))))))
 
  ;; Pass 3+: Interpreter passes
  (define (interpret-member-file mr . starts)
@@ -218,7 +218,7 @@
 		  (pass-proc (cadr pass)))
 	     (loop (cdr passes)
 		   (caar passes)
-		   (interpreter-pass mr pass-name (dict-ref mr prev-name) pass-proc)))))))
+		   (interpreter-pass mr pass-name (ldict-ref mr prev-name) pass-proc)))))))
 
  ;; Loads member file source. Performs passes 0, 1 and 2.
  (define (load-member-file mr)
diff --git a/src/member-record.scm b/src/member-record.scm
index d350b19..3542a4b 100644
--- a/src/member-record.scm
+++ b/src/member-record.scm
@@ -80,7 +80,7 @@
 	 (chicken irregex)
 	 (chicken string)
 	 (chicken format)
-	 dictionary
+	 util-dict-list
 	 testing
 	 month
 	 period
@@ -121,7 +121,7 @@
 			       (symbol->string
 				(get-4digit-symbol-from-list (cons file-name symlinks))))))))
      (if (null? args)
-	 (make-dict pairs)
+	 (make-ldict pairs)
 	 (if (not (keyword? (car args)))
 	     (error 'make-member-record "Optional arguments must be keywords" (car args))
 	     (if (null? (cdr args))
@@ -133,16 +133,16 @@
 
  ;; File name without directory
  (define (member-file-name mr)
-   (dict-ref mr 'file-name))
+   (ldict-ref mr 'file-name))
 
  ;; Convenience accessor for file name with directory
  (define (member-file-path mr)
-   (dict-ref mr 'file-path))
+   (ldict-ref mr 'file-path))
  
  ;; Returns opened input file for this record (used by parser).
  (define (member-record-input-file mr)
    (open-input-file
-    (dict-ref mr 'file-path)))
+    (ldict-ref mr 'file-path)))
 
  ;; Sets pairs of keys/values for given member record.
  (define (member-record-set mr . args)
@@ -155,28 +155,28 @@
 	     (if (null? (cdr args))
 		 (error 'member-record-set "Argument needs value" (car args))
 		 (loop (cddr args)
-		       (dict-set mr (string->symbol (keyword->string (car args)))
+		       (ldict-set mr (string->symbol (keyword->string (car args)))
 				 (cadr args))))))))
 
  ;; Adds highlight identified by line number, message, pass number and
  ;; type (error, warning, info).
  (define (member-record-add-highlight mr line-number message pass type)
-   (dict-set mr 'highlights
+   (ldict-set mr 'highlights
 	     (cons (list line-number message pass type)
-		   (dict-ref mr 'highlights '()))))
+		   (ldict-ref mr 'highlights '()))))
 
  ;; Returns a key from particular section
  (define (member-record-sub-ref mr sec key . defaults)
-   (let ((sec-dict (dict-ref mr sec)))
+   (let ((sec-dict (ldict-ref mr sec)))
      (if (null? defaults)
-	 (dict-ref sec-dict key)
-	 (dict-ref sec-dict key (car defaults)))))
+	 (ldict-ref sec-dict key)
+	 (ldict-ref sec-dict key (car defaults)))))
 
  ;; Sets a key in particular section
  (define (member-record-sub-set mr sec key val)
-   (let ((sec-dict (dict-ref mr sec)))
-     (dict-set mr sec
-	       (dict-set sec-dict key val))))
+   (let ((sec-dict (ldict-ref mr sec)))
+     (ldict-set mr sec
+	       (ldict-set sec-dict key val))))
 
  ;; Prepends value to given subkey
  (define (member-record-sub-prepend mr sec key val)
@@ -186,49 +186,49 @@
 
  ;; Returns true if given section contains given key
  (define (member-record-sub-has-key? mr sec key)
-   (dict-has-key? (dict-ref mr sec) key))
+   (ldict-contains? (ldict-ref mr sec) key))
 
  ;; Returns new member record with section updated by defaults, the
  ;; section must already exist.
  (define (member-record-sub-ensure mr sec . kvs)
    (let loop ((kvs kvs)
-	      (sd (dict-ref mr sec)))
+	      (sd (ldict-ref mr sec)))
      (if (null? kvs)
-	 (dict-set mr sec sd)
+	 (ldict-set mr sec sd)
 	 (if (null? (cdr kvs))
 	     (error 'member-record-sub-ensure "Needs pairs of keys and values" kvs)
 	     (let ((key (car kvs))
 		   (val (cadr kvs)))
 	       (loop (cddr kvs)
-		     (if (dict-has-key? sd key)
+		     (if (ldict-contains? sd key)
 			 sd
-			 (dict-set sd key val))))))))
+			 (ldict-set sd key val))))))))
 
  ;; Returns source lines
  (define (member-source mr)
-   (dict-ref mr 'source '()))
+   (ldict-ref mr 'source '()))
 
  ;; Returns member info key value
  (define (member-record-info mr key . defaults)
-   (let ((info (dict-ref mr 'info)))
+   (let ((info (ldict-ref mr 'info)))
      (if (null? defaults)
-	 (dict-ref info key)
-	 (dict-ref info key (car defaults)))))
+	 (ldict-ref info key)
+	 (ldict-ref info key (car defaults)))))
 
  ;; Return mandatory keys with #f as value
  (define (member-missing-keys mr)
-   (dict-reduce '()
+   (ldict-reduce '()
 		(lambda (acc k v)
 		  (if v acc (cons k acc)))
-		(dict-ref mr 'info)))
+		(ldict-ref mr 'info)))
 
  ;; True if there are any source highlights
  (define (member-has-highlights? mr)
-   (dict-has-key? mr 'highlights))
+   (ldict-contains? mr 'highlights))
 
  ;; Returns true if there is at least one highlight of given type
  (define (member-highlights-has-type? mr type)
-   (let loop ((hls (dict-ref mr 'highlights '())))
+   (let loop ((hls (ldict-ref mr 'highlights '())))
      (if (null? hls)
 	 #f
 	 (if (eq? (cadddr (car hls)) type)
@@ -241,7 +241,7 @@
 
  ;; Absolutely required
  (define (member-record-usable? mr)
-   (dict-has-key? (dict-ref mr 'info) 'member))
+   (ldict-contains? (ldict-ref mr 'info) 'member))
 
  ;; True if member record is OK
  (define (member-has-problems? mr)
@@ -309,7 +309,7 @@
 
  ;; Returns member id
  (define (member-id mr)
-   (dict-ref mr 'id))
+   (ldict-ref mr 'id))
 
  ;; Returns the number of months the user is suspended. Zero if not
  ;; suspended.
@@ -335,7 +335,7 @@
 			     ((#\I) (number->string (member-record-info mr 'id)))
 			     ((#\S) (number->string (member-suspended-months mr)))
 			     ((#\E)
-			      (let ((n (length (dict-ref mr 'highlights '()))))
+			      (let ((n (length (ldict-ref mr 'highlights '()))))
 				(if (eq? n 0)
 				    ""
 				    (sprintf "[~A]" n))))
@@ -351,9 +351,9 @@
 
  ;; Prepends new payment to given member record payments
  (define (member-record-add-payment mr pt)
-   (dict-set mr 'payments
+   (ldict-set mr 'payments
 	     (cons pt
-		   (dict-ref mr 'payments '()))))
+		   (ldict-ref mr 'payments '()))))
 
  ;; Returns  alist of member payments
  (define (member-payments mr)
@@ -361,15 +361,15 @@
 	     (let* ((isodate (bank-transaction-date tr))
 			 (month (iso-date->month isodate)))
 		    (month<=? month (*current-month*))))
-	   (dict-ref mr 'payments '())))
+	   (ldict-ref mr 'payments '())))
 
  ;; Returns a list of MLs this member is subscribed to
  (define (member-mailman mr)
-   (dict-ref mr 'mailman '()))
+   (ldict-ref mr 'mailman '()))
 
  ;; Adds given ML to given member record
  (define (member-add-mailman mr ml)
-   (dict-set mr 'mailman
+   (ldict-set mr 'mailman
 	     (cons ml
 		   (member-mailman mr))))
 
diff --git a/src/members-dir.scm b/src/members-dir.scm
index bb15cb0..28f3b21 100644
--- a/src/members-dir.scm
+++ b/src/members-dir.scm
@@ -41,7 +41,7 @@
 	 (chicken format)
 	 (chicken irregex)
 	 testing
-	 dictionary
+	 util-dict-list
 	 util-list
 	 member-record
 	 member-parser)
@@ -76,11 +76,11 @@
 	  (files (filter symbol? ls))
 	  (fdict
 	   (let loop ((files files)
-		      (res (make-dict)))
+		      (res (make-ldict)))
 	     (if (null? files)
 		 res
 		 (loop (cdr files)
-		       (dict-set res (car files) '()))))))
+		       (ldict-set res (car files) '()))))))
      (let loop ((links links)
 		(res fdict)
 		(errs 0))
@@ -89,12 +89,12 @@
 	   (let* ((link (car links))
 		  (name (car link))
 		  (target (cdr link)))
-	     (if (dict-has-key? res target)
+	     (if (ldict-contains? res target)
 		 (loop (cdr links)
-		       (dict-set res target (cons name (dict-ref res target)))
+		       (ldict-set res target (cons name (ldict-ref res target)))
 		       errs)
 		 (loop (cdr links)
-		       (dict-set res target
+		       (ldict-set res target
 				 (list (string->symbol (sprintf "error-~A" errs))
 				       name))
 		       (+ errs 1))))))))
@@ -132,7 +132,7 @@
  ;; Returns dictionary containing only records with either 4-digit
  ;; name or one of its aliases being 4-digit.
  (define (files-dictionary-filter-4digit-symbols d)
-   (dict-filter
+   (ldict-filter
     (lambda (k v)
       (list-contains-4digit-symbol? (cons k v)))
     d))
diff --git a/src/tests.scm b/src/tests.scm
index 6fa9831..b18990b 100644
--- a/src/tests.scm
+++ b/src/tests.scm
@@ -33,7 +33,7 @@
 
  (import scheme
 	 listing
-	 dictionary
+	 util-dict-list
 	 month
 	 period
 	 util-list
@@ -49,7 +49,7 @@
 
  (define (run-all-tests!)
    (listing-tests!)
-   (dictionary-tests!)
+   (ldict-tests!)
    (month-tests!)
    (period-tests!)
    (util-list-tests!)
diff --git a/src/util-dict.scm b/src/util-dict-list.scm
similarity index 100%
rename from src/util-dict.scm
rename to src/util-dict-list.scm