NTIS (National Technical Information Services indexes) (CSA)
National Technical Information Service
Indexes reports on government sponsored R&D from selected federal agencies (e.g. Department of Energy, EPA), their contractors, and their grantees (e.g. U of M). Users interested in NTIS materials may want to create an individual account at no cost for the National Technical Reports Library (NTRL). NTRL used to be available by subscription. Individuals can make a free account here
History of Science, Technology, and Medicine (RLG)
Indexes journal articles, conference proceedings, books, book reviews and dissertations in the history of science, technology, and medicine & allied historical fields. Integrates four bibliographies: the Isis Current Bibliography of the History of Science, the Current Bibliography in the History of Technology (Technology and Culture), the Bibliografia Italiana di Storia della Scienza, and the Wellcome Library for the History and Understanding of Medicine.
Index to journal articles, books and some theses in the earth sciences. Topics include: all aspects of geology, solid-earth geophysics, mineralogy, paleontology, petrology, geochemistry, geochronology, energy, and stratigraphy.