International Library Directory : a world directory of libraries /

Évkönyv 1969/70 /

Publisher´s international directory = Internationales Verlagsadressbuch /

International telephone directory 1956.

International telephone directory 1957.

International directory of libraries for the blind /

The international foundation directory 2003. /

Publishers´ international ISBN directory : 2, Numerical ISBN section /

Publishers´ international ISBN directory : 3, Alphabetical section /

International Robotics Industry Directory /

Ulrich's International Periodicals Directory. 1965-1966, vol. 1, Scientific, Technical and Medical : A classified quide to a selected list of current periodicals, foreign and domestic /

Magazín Kina 1969/70 /

Publishers´international ISBN directory : geographical sestion. 1 /

Publishers' international directory with ISBN index Vol.2 /

Publishers' international directory with ISBN index Vol. 1 /

The Europa directory of international organizations 2003 /

Directory of International Statistics. Volume 1.

American Library Directory : 1968-1969 /

International who`s who in music and musicians directory /

Ulrich´s international periodicals directory 1987-88. Vol. 1, A-L