Publication coverage: 1909 to presentScience of Synthesis provides access to the largest collection of evaluated organic synthetic methods available worldwide.
Publication coverage: 2005 edition, Updated regularly.Brockhaus Enzyklopadie online is the full-text, online version of the 30-volume print German encyclopedia, with extensive ancillary information and source texts. The site has a German interface only (search screen as well as content).
Publication coverage: Journals: 1990 - present ; Proceedings: 1996 - present.The ASCE Research Library provides access to more than 40,000 full-text papers published in the American Society of Civil Engineers (ASCE) Journals and Proceedings.
Publication coverage: 15th - 21st centuries
Publication coverage: 1925 - presentComprehensive index to scholarly writing on literature, language, linguistics, literary criticism, folklore, drama, literary genres, etc.
Publication coverage: 17th century - present