List of academic databases and search engines
Sl. No	Name	Discipline(s)	Publisher
51	GENESIS	Women's history	London Metropolitan University
52	Global Health	Public Health	CABI
53	GolmMetabolome Database	Mass spectrometry	GolmMetabolome Database
54	Google Scholar	Multidisciplinary	Google
55	GoPubMed	Medicine	Transinsight
56	HubMed	Medicine	Alf Eaton
57	IEEE Xplore	Computer Science, Engineering, Electronics	IEEE
58	Index Copernicus	Multidisciplinary science	Index Copernicus International
59	Information Bridge: Department of Energy Scientific and Technical Information	Multidisciplinary	United States Department of Energy, Office of Scientific and Technical Information
60	Informit	Multidisciplinary	RMIT Publishing
61	IngentaConnect	Multidisciplinary	Ingenta
62	Indian Citation Index	Multidisciplinary	ICI
63	Inspec	Physics, Engineering, Computer Science	IET
64	International Directory of Philosophy	Philosophy	Philosophy Documentation Center
65	Intute	Multidisciplinary	Intute
66	JournalSeek	Multidisciplinary	JournalSeek
67	JSTOR: Journal Storage	Multidisciplinary (Historical)	JSTOR
68	JournalSeek	Multidisciplinary	JournalSeek
69	Lesson Planet	Education (K-12)	Lesson Planet
70	LexisNexis	Law (general)	Reed Elsevier
71	MathSciNet	Mathematics	American Mathematical Society
72	MedlinePlus	Medicine	Produced by the United States National Library of Medicine, the United States National Institutes of Health, and the United States Department of Health and Human Services
73	Mendeley	Multidisciplinary	Mendeley
74	Merck Index	Chemistry, Biology, Pharmacology	Produced by Merck &Co.. Available from CambridgeSoft Corporation, Dialog, Knovel, MedicinesComplete, STN International
75	Meteorological and Geoastrophysical Abstracts	Meteorology, Astrophysics, Geology	Produced by the American Meteorological Society. Available from Dialog       and CSA.
76	Microsoft Academic Search	Computer Science and a limited extent on information science	Microsoft
77	NBER: National Bureau of Economic Research	Economics	National Bureau of Economic Research
78	National Criminal Justice Reference Service	Criminology, Sociology	United States Department of Justice, Office of Justice Programs
79	National Diet Library Collection	Multidisciplinary	National Diet Library
80	OAIster	Multidisciplinary	OCLC
81	OpenSIGLE	Grey literature	Institut de l'informationscientifique et technique
82	Philosophy Documentation Center eCollection	Applied ethics, Philosophy, Religious studies	Philosophy Documentation Center
83	Philosophy Research Index	Philosophy	Philosophy Documentation Center
84	PhilPapers	Philosophy	PhilPapers
85	POIESIS: Philosophy Online Serials	Philosophy, applied ethics, religious studies	Philosophy Documentation Center
86	POPLINE	Population, Family Planning, Reproductive Health	Knowledge for Health, Center for Communication Programs, Johns Hopkins Bloomberg School of Public Health
87	PsycINFO	Psychology	Produced by the APA.       Available from several database vendors.
88	Psychology's Feminist Voices	Psychology	Based at York University, Toronto, Canada.
89	PubChem	Chemistry	National Center for Biotechnology Information and the U.S. National Library of Medicine
90	Pubget	Multidisciplinary	Pubget
91	PubMed	Biomedical	National Institutes of Health and the U.S. National Library of Medicine
92	PubPsych	Psychology	Leibniz Institute for Psychology Information
93	Questia: Online Research Library	Multidisciplinary (Historical)	Questia
94	Readers' Guide to Periodical Literature	Journals and Magazines	H. W. Wilson Company
95	Reader's Guide Retrospective: 1890–1982	Journals and Magazines	H. W. Wilson Company
96	RePEc: Research Papers in Economics	Economics	Volunteer Collaboration
97	Retina medical search	Biomedical	Retina medical search
98	Rock's Backpages	Music	Backpages Limited
99	Russian Science Citation Index	Scientific journals	Scientific Electronic Library
100	SafetyLit	Multidisciplinary	Graduate School of Public Health, San Diego State University       and the World Health Organization's Department of Violence and Injury Prevention