Encyclopedia of associations : international organizations 1991, part 1
Linda Irvin, editor
Gale Research, 1991
Buku Referensi
Directories in print 1991 : part 2
Gale Research, 1991
Buku Referensi
Encyclopedia of associations : international organizations 1991, supplement
Gale Research, 1991
Buku Referensi
Directory of special libraries and information centers 1991 : volume 1 part 2 O-Z
Gale Research, 1991
Buku Referensi
Directories in print 1991 : part 1
Gale Research, 1991
Buku Referensi