E-Journals

ACM Digital Library (Association for Computing Machinery)
ACS Journals  (American Chemical Society Journals)
AIP Journals (American Institute of Physics Journals) (e-journals collection)  (List of e-journals)
Angewandte Chemie International Edition  (Wiley)
APS Journals (American Physical Society Journals) (e-journals collection)  (List of e-journals)
ASCE Journals (e-journals collection)
ASME Journals (e-journals collection)
Economic and Political Weekly (e-journal collection)
Elsevier’s Science Direct (e-journals collection)
IEEE/IET Electronic Library (e-journals collections)

Journal of Physics: Condensed Matter (IOP Science)

Journal of Physics D: Applied Physics (IOP Science)

JSTOR
Nature (International Weekly Journal of Science)

Nature Materials (Springer Nature)

Monthly Notices of the Royal Astronomical Society (Oxford University Press)

PNAS (Proceedings of the National Academy of Sciences of the United States of America)
Project Muse (e-journals collection)
RSC Journals Package (Royal Society of Chemistry)

Science (American Association for the Advancement of Science)

Science Direct (Elsevier)

SIAM Journals (Society for Industrial and Applied Mathematics) (List of e-journals)
Springer Journals (e-journals collection)
Taylor & Francis Journals (Science & Technology Package) (List of e-journals)