Guide to reference books : Supplement 1 1950-52, eng /

Eitemau Tebyg

• Guide to reference books. /
  gan: Winchell, Constane M.
  Cyhoeddwyd: (1951)
• Guide to reference books
  gan: Winchell, Constance M
  Cyhoeddwyd: (1967)
• Guide to reference books : Supplement 4 1959-62, eng /
  gan: Winchell, Constane M.
  Cyhoeddwyd: (1951)
• Basic reference books : An introduction to the study and use of reference materials with special emphasis on some 300 littles. /
  gan: Shores, Louis
  Cyhoeddwyd: (1946)
• Reference catalogue of current literature, eng /
  Cyhoeddwyd: (1961)