Online - Bibliothek

Computer-Literatur	DigLib UniPennsylvania	Gutenberg
PageByPage	NationalAcademyPress	Bartleby
LightAndMatter	Perlentaucher	InternetPublicLibrary
Encyclopedia britannica	Duden	MSN Encarta
Bibliothekenverband	Tuepflis Global Village	BIB-Infonet
	US Congress Library