Ulrichs periodicals 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 /

Directory of current periodicals and press clippings.

Ulrich's international periodicals directory : a classified guide to a selected list of current periodicals, foreign and domestic. [Volume] 2, Arts, humanities, business & social sciences /

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

Ulrich's international periodicals directory 1987-88. Vol. 2, M-Z with indexes

Aslib directory. Volume 1 Information sources in science, Technology and Commerce /

The Foundation directory. Part 2 /

Education directory. Part 2, Public school systems /

Directory 2009 /

Active Directory : implementace a správa Microsoft Active Directory /

Advertising directory. : Slovakia. /

Jurskij period /

Klimakteričeskij period /

International Library Directory : a world directory of libraries /

Biological standardization /

Double standards /

Standard Fans

Active Directory : kapesní rádce administrátora /

Sofina standard /