Web of Science

• Multidisciplinary science research database, search for journal articles and conference proceedings, track citations

Scopus

• General multidisciplinary citation database, search for journal articles and conference proceedings, track citations

INSPEC

• Focus on physics and engineering, covering various fields such as electronics, computer science, physics, electrical, control, production and mechanical engineering
• Search for journal articles, conference proceedings, books, and reports 

GeoRef

• Specific to the geosciences, covering subjects such as general, solid-Earth, seismology, and applied geophysics
• Search for journal articles, books, maps, conference papers and reports and theses

arXiv

• arXiv is an archive and distribution server for preprints and research articles in physics, astronomy, mathematics, computer science, quantitative biology, quantitative finance and statistics 

CERN Document Server

• Access to articles, preprints, books, proceedings, presentations, reports, and multimedia in particle physics and other related areas

INSPIRE

• Database of particle physics papers maintained at Stanford Linear Accelerator Center (SLAC)

Popular Society and Association Publishers:

• American Physical Society (APS) 
• American Institute of Physics (AIP) 
• American Geophysical Union (AGU) 
• Institute of Physics (IOP) 
• International Society for Optics and Photonics (SPIE)

 Other Societies and Associations:

• Acoustical Society of America 
• American Association of Physics Teachers 
• American Meteorological Society 
• American Nuclear Society 
• Canadian Association of Physicists 
• Canadian Meteorological and Oceanographic Society 
• Canadian Society of Exploration Geophysicists 
• European Physical Society 
• International Union of Crystallography 
• International Union of Geodesy and Geophysics 
• International Union of Pure and Applied Physics 
• The Optical Society 
• Royal Meteorological Society 
• Seismological Society of America
• Society of Exploration Geophysicists (SEG)

If UofT does not have access to an article or book that you need, use RACER to borrow from another university