Butler, James Lee, 1927- Forage plot harvester [by] J. L. Butler, H. R. Sumner and G. W. Burton. - [Washington] 1967. - 4 p. illus. 27 cm. Caption title. LCCN: agr67000283 Subjects--Topical Terms: Forage plants--Harvesting--Machinery.Forage plant harvesters. National Agricultural Library Call No.: A58.9 R31 no. 132