A-Z Databases

Subject Coverage:
animal science, anthropology, astronomy, biology, chemistry, engineering, ethnic & multicultural studies, general science, geography, geology, law, mathematics, music, pharmaceutical sciences, philosophy, physics, psychology, religion, science, technology, veterinary science, women's studies, zoology

Dates of Coverage:
PDF content dating back as far as 1887

Update Frequency:
daily

Size:
over 13,780 indexed and abstracted journals

Subject Coverage:
covers many subject areas

Dates of Coverage:
varies by title (1665 is the earliest year covered)

Update Frequency:
varies by title

Size:
more than 2,800 journals

Notes:
There is a gap, typically from 1 to 5 years, between the most recently published journal issue and the back issues available in JSTOR.

Subject Coverage:
covers countless subjects

Dates of Coverage:
1000 C.E. to present

Update Frequency:
daily

Size:
more than 453 million item records
more than 2.8 billion holdings records

Note:
It includes manuscripts written as early as the 11th century as well as books cataloged yesterday. It would be a challenge to name a book that would not have a record in this database. Numerous journal articles are also available through WorldCat.