The present study is performed to clarify kinds, contents, expression elements of references of campus master plans. The campus master plans studied were from 42 universities in the U.S., Canada and Australia. The results were as follows; 1) References include drawings, photographs, sketches and tables.The contents of the references are historical documents, articles, geographic data, regional data, existing setting, analysis, concept, plan and details. The expression range of CMP are large regions, an university, an area, unit space, architecuture and the others. 2) References are used appropriately in accordance with the purposes. 3) Expression elements of references can be classified into 10 categories and 31 elements. 4) About 40% of the drawings display the periphery area of the campus.