The Thesaurus Linguae Graecae® (TLG) provides an example of a specialized resource which draws on multiple revenue streams for its sustainability model. This collection of digitized ancient Greek texts is considered essential for scholars of the classics, which has allowed the project to successfully implement a fee for access despite appealing to a relatively small primary audience. In addition to subscription fees from institutions and individuals, income from an endowment and funding from the University of California, Irvine (where it has been housed since its inception) support the project. As TLG approaches its fortieth anniversary, support from the University has been reduced, and the project is now more reliant than ever on subscription income and endowment payouts to cover its expenses.

 

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