Example: biology
Specialized Encyclopedias
Found 1 free book(s)Source Types: Value and Limitations - WPMU DEV
cpb-us-e1.wpmucdn.comSpecialized Encyclopedias and Textbooks (e.g. American History Online, Ancient and Medieval History Online, History Reference Center, Modern World History Online, World Geography and Culture, World Religions Online, etc.) Value: • Gives a focused overview of a topic • Are maintained by professional editorial staff.