X window system user's guide - for X11 R3 and R4 of the X window system, 3rd Edition. - Valerie Quercia; Tim O'Reilly (O'Reilly, 1990)

X window system user's guide - OSF / Motif edition. - Valerie Quercia; Tim O'Reilly (O'Reilly, 1991)

Tools für X Windows. - Linda Mui; Valerie Quercia (O'Reilly, 1995)

Webmaster in a nutshell - deluxe edition: includes 5 bestselling books on CD-ROM for web developers. - Stephen Spainhour; Valerie Quercia (O'Reilly, 1996)

Webmaster in a nutshell - a desktop quick reference. - Stephen Spainhour; Valerie Quercia (O'Reilly, 1996)

Internet in a nutshell - a desktop quick reference. - Valerie Quercia (O'Reilly, 1997)