Ulrich's International periodicals directory ; a classified guide to current periodicals, foreign and domestic - New York Bowker n.d. -

Lib. has:-16th ed. 1975-76 ; 17th ed. 1977-78 ; 18th ed. 1979-80 ; 24th ed. 1985, 2v.

Dewey Class. No.: 050.91025 / Ul45.PD