JSTOR (Journal storage) is an electronic full text archive containing important journals covering several subject areas. The journals are stored from Volume I, Issue 1 to the "moving wall". The moving wall represents the time period between the last issue available in JSTOR and the most recently published issue of a journal. It is specified by publishers in their license agreements with JSTOR, and generally ranges from 3 and 5 years. The following collections are available: Arts & Sciences Collection I-III and VII, Business Collection, Ecology & Botany Collection. (en)