Published in Nautilis, in 1935, in volume 48, pages 76-77

Published in Nautilis, in 1935, in volume 48, pages 77-83

Published in The Nautilus, in 1935, in volume 48, pages 83-88

Published in Nautilis, in 1935, in volume 48, pages 89-90

Published in Nautilis, in 1935, in volume 48, pages 90-91

Published in Nautilis, in 1935, in volume 48, pages 91-94

Published in Nautilis, in 1935, in volume 48, pages 94-99

Published in Nautilis, in 1935, in volume 48, pages 99-100

Published in Nautilis, in 1935, in volume 48, pages 101-102

Published in Nautilis, in 1935, in volume 48, pages 109-111

Published in Nautilis, in 1935, in volume 48, pages 112-116

Published in Nautilis, in 1935, in volume 48, pages 116-121

Published in Nautilis, in 1935, in volume 48, pages 121-125

Published in Nautilis, in 1935, in volume 48, pages 127-130

Published in Nautilis, in 1935, in volume 48, pages 130-134

Published in Nautilis, in 1935, in volume 48, pages 135-140

Published in Nautilis, in 1935, in volume 48, pages 140-142

Published in Nautilis, in 1935, in volume 49, pages 1-2

Published in Nautilis, in 1935, in volume 49, pages 2-6

Published in Nautilis, in 1935, in volume 49, pages 6-10

Published in Nautilis, in 1935, in volume 49, pages 10-13

Published in Nautilis, in 1935, in volume 49, pages 13-14

Published in Nautilis, in 1935, in volume 49, pages 14-16

Published in Nautilis, in 1935, in volume 49, pages 16-19

Published in Nautilis, in 1935, in volume 49, pages 19-20

Published in Nautilis, in 1935, in volume 49, pages 21-27

Published in The Nautilus, in 1935, in volume 49, pages 27-29

Published in Nautilis, in 1935, in volume 49, pages 30-32

Published in Nautilis, in 1935, in volume 49, pages 32-34

Published in Nautilis, in 1935, in volume 49, pages 37-39

Published in Nautilis, in 1935, in volume 49, pages 39-41

Published in Nautilis, in 1935, in volume 49, pages 42-44

Published in Nautilis, in 1935, in volume 49, pages 44-46

Published in Nautilis, in 1935, in volume 49, pages 46-48

Published in Nautilis, in 1935, in volume 49, pages 48-49

Published in Nautilis, in 1935, in volume 49, pages 49-50

Published in Nautilis, in 1935, in volume 49, pages 52-58

Published in Nautilis, in 1935, in volume 49, pages 59-61

Published in Nautilis, in 1935, in volume 49, pages 62-63

Published in Nautilis, in 1935, in volume 49, pages 63-64

Published in Nautilus Philadelphia, in 1935, in volume 49, issue 2, pages 66-67