Published in Nautilus Philadelphia, in 1942, in volume 55, pages 105-106

Published in Nautilis, in 1942, in volume 55, pages 109-113

Published in Nautilis, in 1942, in volume 55, pages 113-115

Published in Nautilis, in 1942, in volume 55, pages 115-118

Published in Nautilis, in 1942, in volume 55, pages 119-120

Published in Nautilis, in 1942, in volume 55, pages 120-125

Published in Nautilis, in 1942, in volume 55, pages 125-128

Published in Nautilis, in 1942, in volume 55, pages 128-130

Published in Nautilis, in 1942, in volume 55, pages 130-132

Published in Nautilis, in 1942, in volume 55, pages 133-139

Published in Nautilis, in 1942, in volume 55, pages 73-77

Published in Nautilis, in 1942, in volume 55, pages 78-80

Published in Nautilis, in 1942, in volume 55, pages 80-82

Published in Nautilis, in 1942, in volume 55, pages 82-92

Published in Nautilis, in 1942, in volume 55, pages 92-93

Published in Nautilis, in 1942, in volume 55, pages 93-94

Published in Nautilis, in 1942, in volume 55, pages 94-97

Published in Nautilis, in 1942, in volume 55, pages 97-98

Published in Nautilis, in 1942, in volume 55, pages 98-102

Published in Nautilis, in 1942, in volume 56, pages 37-40

Published in Nautilis, in 1942, in volume 56, pages 40-41

Published in Nautilis, in 1942, in volume 56, pages 41-43

Published in Nautilis, in 1942, in volume 56, pages 43-48

Published in Nautilis, in 1942, in volume 56, pages 48-49

Published in Nautilis, in 1942, in volume 56, pages 49-50

Published in Nautilis, in 1942, in volume 56, pages 50-55

Published in Nautilis, in 1942, in volume 56, pages 55-57

Published in Nautilis, in 1942, in volume 56, pages 57-61

Published in Nautilis, in 1942, in volume 56, pages 61-62

Published in Nautilis, in 1942, in volume 56, pages 62-66

Published in Nautilis, in 1942, in volume 56, issue 1, pages 1-9

Published in Nautilis, in 1942, in volume 56, pages 9-13

Published in Nautilis, in 1942, in volume 56, pages 13-18

Published in Nautilis, in 1942, in volume 56, pages 20-30

Published in Nautilis, in 1942, in volume 56, pages 30-33