Academic Search Complete is a scholarly, multidisciplinary full-text database, with several thousand full-text periodicals, most of which are peer-reviewed journals. In addition to full text, this database offers indexing and abstracts for many more journals, monographs, reports, conference proceedings, etc.
The Archive of the British Association for the Advancement of Science, and connected collections from UK universities, covers astronomy, biology, technology, industrial design, chemistry, engineering, mathematics, agriculture, meteorology, physics, history of science and STEM, and government grants for scientific research. It contains administrative records, correspondence, illustrations, manuscripts, photographs, prototypes, clippings, personal papers, gray literature - all presented as fully searchable digital images that can be analyzed, downloaded, manipulated, and compared with content from other societies and universities in the Wiley Digital Archives program.
Business Source Complete provides full text for thousands of journals, including both peer-reviewed, academic journals and trade business publications. Additional full text, non-journal content includes market research reports, industry reports, country reports, company profiles and SWOT analyses. To find case studies, enter search terms (examples: "restaurant" or "advertising") in the usual boxes, then under "Document type," choose "Case Study."
GreenFILE offers information covering all aspects of human impact to the environment, including content on the environmental effects of individuals, corporations & local/national governments, and what can be done at each level to minimize these effects. Topics covered include global climate change, green building, pollution, sustainable agriculture, renewable energy, recycling, and more. The database provides indexing and abstracts for more than 880,000 records, as well as Open Access full text for more than 13,000 records.
JSTOR contains articles and books, usually at least 3-5 years old, from scholarly sources. They also have some primary resource collections. For more recent material, use Discover@UMSL or other individual databases.
Working papers published by the National Bureau of Economic Research
The online library of the Organisation for Economic Cooperation and Development (OECD) features its books, papers, podcasts and statistics and it forms the knowledge base of OECD's analysis and data.