General schedule of supplies, containing awards for material, supplies, and equipment for use by executive departments and other establishments of Government in Washington, D.C., and such field services as are included in the various classes, 1921
Schedules include list of items, with description, price, contractor, and length of time required for delivery; regulations; and list of contractors, with addresses. Beginning in FY 1915, annual schedules are followed by supplements showing revised prices and additional awards for selected classes of supplies.