The North American Case Research Association allows you to browse the Table of Contents or Search for case studies published in the Case Research Journal. It doesn't allow searches by author or author affiliation. You can search for company name; business concepts (ethics, LEAN manufacturing, etc); or functional areas of business (accounting, finance, strategy, marketing, etc.). The library has most of the print editions of this journal since 1985.
It has studies from a number of different universities, including Harvard, Stanford, Babson, Darden, etc. From their website: Over 24,000 cases on all aspects of national and international business and management, authored worldwide, are available in the ecch case collection. Most cases are in English, with about 250 cases also available in another language. A typical case may average between ten and thirty slides with some supporting graphics or data. Purchase information is included on their website.
Topics include: accounting, business administration, business law, e-commerce, economics, entrepreneurship, ethics, decision sciences, finance, information systems, international business, management, marketing, real estate, teaching and business and education.
The Center for Digital Strategies provides access to teaching cases with content and situations related to digital issues. Written by Tuck School Professors and affiliated faculty and executives, these cases provide learning and discussion opportunities in the CDS’s five areas of expertise.
Requires registration to access some of the material. Formerly CasePlace.org, Ideas Worth Teaching is a weekly newsletter and library of teaching resources designed for business school faculty intended primarily to help faculty incorporate environmental, social and ethical topics into their teaching on business and management.
Unfortunately, Harvard Publishing will not allow libraries to purchase the Harvard case studies. Instead, students and professors need to purchase the cases directly from Harvard. Typically, they are around $6.00 - $7.00. Go to the link above to purchase.