1. Gale virtual reference library [electronic resource]. Farmington Hills, MI : Gale Group, 2004- Journal Online libguides.princeton.edu
2. Gale library of daily life [electronic resource] : slavery in America / Orville Vernon Burton, editor. Detroit, Mich. : Gale, c2008. Book Online Online Content
3. Building a virtual library / [edited by Ardis Hanson and Bruce Lubotsky Levin]. Gale eBooks Hershey, PA : Idea Group Inc., c2002. Book Online IGI Global InfoSci-Books
4. Ancient civilizations reference library [electronic resource] / Judson Knight ; Stacy A. McConnell and Lawrence W. Baker, editors. Gale virtual reference library Knight, Judson [Browse] Detroit, Mich. : UXL, c2000. Book Online Online Content
5. American social reform movements reference library [electronic resource]. Gale virtual reference library Detroit, Mich. : UXL, c2007. Book Online Online Content
6. Virtual communities [electronic resource] : concepts, methodologies, tools and applications. Volume 1 / Information Resources Management Association [editor]. Gale eBooks Hershey, Pa. : Information Science Reference, c2011. Book Online IGI Global InfoSci-Books
7. The Gale encyclopedia of psychology [electronic resource] / Bonnie R. Strickland, executive editor. Gale virtual reference library Detroit, Mich. : Gale Group, c2001. Book Online Online Content
8. Gale encyclopedia of everyday law [electronic resource] / Jeffrey Wilson, editor. Gale virtual reference library Detroit, Mich. : Thomson Gale, c2006. Book Online Online Content
9. The Gale encyclopedia of medicine [electronic resource] / Jacqueline L. Longe, editor. Gale virtual reference library Detroit, Mich. : Thomson Gale, c2006. Book Online find.galegroup.com
10. The Gale encyclopedia of diets [electronic resource] : a guide to health and nutrition / Jacqueline L. Longe, editor. Gale virtual reference library Detroit, Mich. : Thomson Gale, 2008. Book Online Online Content
11. The Gale encyclopedia of science [electronic resource] / K. Lee Lerner & Brenda Wilmoth Lerner, editors. Gale virtual reference library Detroit, Mich. : Gale Group, c2008. Book Online Online Content
12. The Gale encyclopedia of medicine. Gale virtual reference library Farmington Hills, Mich. : Gale, Cengage Learning, [2015]©2015 Book Online Online Content
13. Gale encyclopedia of multicultural America [electronic resource] / contributing editor, Robert von Dassanowsky ; author of introduction, Rudolph J. Vecoli ; edited by Jeffrey Lehman. Gale virtual reference library Detroit, Mich. : Gale Group, c2000. Book Online Online Content
14. The Gale encyclopedia of medicine [electronic resource] / Laurie J. Fundukian, editor. Gale virtual reference library Detroit, Mich. : Gale, c2011. Book Online Online Content
15. Gale encyclopedia of everyday law [electronic resource] / Donna Batten, editor. Gale virtual reference library Detroit : Gale, 2013. Book Online Online Content
16. The Gale encyclopedia of science / K. Lee Lerner & Brenda Wilmoth Lerner, editors. Gale virtual reference library Farmington Hills, Mich. : Gale, Cengage Learning, 2014. Book Online Online Content
17. The Gale encyclopedia of alternative medicine [electronic resource] / Jacqueline L. Longe, project editor. Gale virtual reference library Detroit, Mich. : Thomson Gale, c2005. Book Online Online Content
18. The Gale encyclopedia of neurological disorders [electronic resource] / Stacey L. Chamberlin, Brigham Narins, editors. Gale virtual reference library Detroit, Mich. : Thomson Gale, c2005. Book Online Online Content
19. The Gale encyclopedia of mental health [electronic resource] / Kristin Key, editor. Gale virtual reference library Detroit : Gale Cengage Learning, ©2012. Book Online Online Content
20. The Gale encyclopedia of mental health [electronic resource] / Laurie J. Fundukian and Jeffrey Wilson, editors. Gale virtual reference library Detroit, Mich. : Thomson Gale, c2008. Book Online Online Content