Bird Houses Boys Can Build

by Albert Frederick Siepert

Frank H. Ball, Pittsburgh, Pa. Figs. [12], [29], [45], [66], [67].

Leon H. Baxter, St. Johnsbury, Vt. Figs. [21], [22].

F. D. Crawshaw, University of Wisconsin, Madison, Wis. Figs. [11], [40], [41], [42], [43], [44].

Donald V. Ferguson, St. Paul, Minn. Figs. [9], [28], [38], [62].

Geo. G. Grimm, Baltimore, Md. Fig. [14].

C. M. Hunt, Milton, Mass. Figs. [46], [52].

H. A. Hutchins, Cleveland, O. Figs. [15], [16], [17], [18], [19].

Elmer Knutson, St. Cloud, Minn. Figs. [30], [31].

National Association of Audubon Societies, 1974 Broadway, New York City. Figs. [1], [2], [3], [4], [5], [6], [7], [8].