HECKEL, ALBERT KERR.
On the road to civilization, by Albert Kerr Heckel & James G. Sigman.
HECKEL, ALBERT KERR. On the road to civilization, by Albert Kerr Heckel & James G. Sigman. © 17Oct36; A100508. Albert Kerr Heckel (A) & Elsie B. Sigman (W); 20Nov63; R326459.
Albert Kerr Heckel|A||Elsie B. Sigman|W