Astronomy

ACM Digital Library

Number of E-Journals: 
45

The Royal Society

Number of E-Journals: 
11

SPIE Digital Library

Number of E-Books: 
400+
Number of E-Journals: 
11

Springer

Number of E-Books: 
12355
Number of E-Journals: 
2353

Indian Open Access Journals

Number of E-Journals: 
563

Pages