Herter's Complete Professional Duck and Goose Calling Manual, 1964. Material: paper. Size: 5 1/2" W. x 8 1/2" L. Description: white manual; black print: "Complete Professional Duck and Goose Calling Manual, by George Leonard Herter, Herter's Inc., Waseca, Minn., Since 1893"; Herter logo in center; black printed information instructs reader on using the duck and goose calling techniques with the caller item; 39 pages.