Use this guide to perform background research to refine a research topic, confirm terminology, and get a general understanding before finding books and articles to support a research project.
SIMBAD indexes bibliographic references and data on astronomical topics: stars, galaxies, planetary nebulae, clusters, and novae and supernovae. Each object indexes has description data, cross identifications, observational data, plus a general bibliography of references to the object.
Search or browse across nine subject encyclopedias and dictionaries with over 22,800 entries. References are linked via Get VText.
This classic and well-known reference was originally published from 1926-1930 for the National Research Council in 7 volumes. It contains an enormous amount of critical data on inorganic and organic compounds, and pure substances. Featuring physical, thermodynamic, mechanical, and other key properties, it is a major reference source used by those involved in chemistry, physics, and engineering. Chapters and tables are presented at individual PDFs.
This reference source include 901 tables of data relevant to engineering and physics. Each chapters is a separate PDF.