Published in The Nautilus, in 1927, in volume 40, pages 96-99

Published in Nautilus Boston Mass, in 1927, in volume 41, pages 21

Published in Nautilus Boston Mass, in 1927, in volume 40, pages 122-124

Published in Nautilus Boston Mass, in 1927, in volume 40, pages 131-132

Published in Nautilus Boston Mass, in 1927, in volume 41, pages 6-8

Published in Nautilus Boston Mass, in 1927, in volume 40, pages 101

Published in Nautilus Boston Mass, in 1927, in volume 40, pages 138

Published in Nautilus Boston Mass, in 1927, in volume 41, pages 55-57

Published in Nautilis, in 1927, in volume 41, pages 37-40

Published in Nautilis, in 1927, in volume 41, pages 40-43

Published in Nautilis, in 1927, in volume 41, pages 43-45

Published in Nautilis, in 1927, in volume 41, pages 45-47

Published in Nautilis, in 1927, in volume 41, pages 47-49

Published in Nautilis, in 1927, in volume 41, pages 49-51

Published in Nautilis, in 1927, in volume 41, pages 51-54

Published in Nautilis, in 1927, in volume 41, pages 57-62

Published in Nautilis, in 1927, in volume 41, pages 62-63

Published in Nautilis, in 1927, in volume 41, pages 63-64

Published in Nautilis, in 1927, in volume 41, pages 64-65

Published in Nautilis, in 1927, in volume 41, pages 65-69

Published in Nautilis, in 1927, in volume 41, pages 1-6

Published in Nautilis, in 1927, in volume 41, pages 8-18

Published in Nautilis, in 1927, in volume 41, pages 19-20

Published in Nautilis, in 1927, in volume 41, pages 22-23

Published in Nautilis, in 1927, in volume 41, pages 23-24

Published in Nautilis, in 1927, in volume 41, pages 24-27

Published in Nautilis, in 1927, in volume 41, pages 27-30

Published in Nautilis, in 1927, in volume 40, pages 109-111

Published in Nautilis, in 1927, in volume 40, pages 121-122

Published in Nautilis, in 1927, in volume 40, pages 124-125

Published in Nautilis, in 1927, in volume 40, pages 125-126

Published in Nautilis, in 1927, in volume 40, pages 130-131

Published in Nautilis, in 1927, in volume 40, pages 132-133

Published in Nautilis, in 1927, in volume 40, pages 133-134

Published in Nautilis, in 1927, in volume 40, pages 112-114

Published in Nautilis, in 1927, in volume 40, pages 114-120

Published in Nautilis, in 1927, in volume 40, pages 126-129

Published in Nautilis, in 1927, in volume 40, pages 129-130

Published in Nautilis, in 1927, in volume 40, pages 111-112

Published in Nautilis, in 1927, in volume 40, pages 85-87

Published in Nautilis, in 1927, in volume 40, pages 88-91

Published in Nautilis, in 1927, in volume 40, pages 91-93

Published in Nautilis, in 1927, in volume 40, pages 93-94

Published in Nautilis, in 1927, in volume 40, pages 78-79

Published in Nautilis, in 1927, in volume 40, pages 79-80

Published in Nautilis, in 1927, in volume 40, pages 80-82

Published in Nautilis, in 1927, in volume 40, pages 73-75

Published in Nautilis, in 1927, in volume 40, pages 75-78

Published in Nautilis, in 1927, in volume 40, pages 82-85