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Bibliografia nazionale italiana : 1(1958) - 36(1993) ungeteilt; 39(1996), 1-12 (gedruckte Ausg. + Diskette) (1996-)
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- 19. 3.1998 11:23:22
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Brinkman's cumulative catalogue on CD-ROM (1996-)
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- 16. 2.1997 16:22:51
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Deutsche Nationalbibliographie : CD-ROM 1972-1985 (1997)
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- 7. 5.2000 10:38:22