| Bibioteca Digital Mundial | http://www.wdl.org/es/ | |
| Librarian' Index to the Internet | ... | http://sunsite.berkeley.edu/InternetIndex/ |
| Sistemas de Bibliotecas - UPR | ... | http://biblioteca.uprrp.edu |
| Biblioteca Virtual de Puerto Rico | ... | http://home.coqui.net/jalmeyda/biblioteca.htm# |
| The Internet Public Library | ... | http://www.ipl.org/ |
| WWW Virtual Library | ... | http://www.vlib.org/ |
| American Library Association | ... | http://www.ala.org/ |
| Carl B. Ylvisaker Library | ... | http://www.cord.edu/dept/library/index.html |
| Biblioteca Virtual Miguel de Cervantes | ... | http://cervantesvirtual.com/ |
| Biblioteca del Congreso | ... | http://lcweb.loc.gov |
| Catálogo WebLuis - Florida University | ... | http://library.fiu.edu/ |
| Ciberteca | ... | http://www.ciberteca.net/ |
| FIU LIbrary - Digital and Internet Resources | ... | http://www.fiu.edu/~library/internet |
| BibliotecasVirtuales.com | ... | http://www.bibliotecasvirtuales.com/ |
| The Internet Archive | ... | http://www.archive.org |
| Biblioteca Virtual Universal | ... | http://www.biblioteca.org.ar/ |
| Ciberoteca | ... | http://www.ciberoteca.com/homecas.asp |
| Fonoteca - Biblioteca Virtual M. de Cervantes | ... | |
| Proyecto Salón Hogar: biblioteca en línea | ... | http://www.proyectosalonhogar.com |
| Internet Archive | ... | http://archive.org/index.php |