Publishers' international ISBN directory. 26. ed. 1999/2000

Publishers' international ISBN directory. 25. ed. 1998/99

Cataloging of the hand press

Publishers' international ISBN directory. 25. ed. 1998/99. 1. : Geographical section

Publishers' international ISBN directory. 26. ed. 1999/2000. 1. : Geographical section: A-Q

Publishers' international ISBN directory. 25. ed. 1998/99. 2. : Numerical ISBN section

Publishers' international ISBN directory. 25. ed. 1998/99. 3. : Alphabetical index

Publishers' international ISBN directory. 26. ed. 1999/2000. 3. : Numerical ISBN section