Pohl, Frederick Julius

Atlantic crossings before Columbus [1st ed.] New York : Norton, 1961. 315 pages : illustrations ; 22 cm.

Pohl, Frederick Julius

Prince Henry Sinclair, his expedition to the New World in 1398 / by Frederick J. Pohl.  1st American ed. New York : C. N. Potter : distributed by Crown Publishers, 1974. 230 pages, [1] leaf of plates : illustrations ; 24 cm.

Pohl, Frederick Julius

The lost discovery ; uncovering the track of the Vikings in America / Illus. and maps by J. Warren Sheppard.  [1st ed.] New York, Norton 1952. 346 pages illus., maps. 22 cm.

Pohl, Frederick Julius

The Viking settlements of North America / by Frederick J. Pohl.  [1st ed.] New York : C. N. Potter, 1972. xii, 339 pages : illustrations ; 24 cm.

Pohl, Frederick Julius

The Vikings on Cape Cod; evidence from archaeological discovery Pictou : Pictou Advocate Press, 1957. 63 pages : illus.; 23 cm.