Published in Nautilus Boston Mass, in 1921, in volume 34, pages 73-76
Published in Nautilis, in 1921, in volume 34, pages 77-80
Published in Nautilis, in 1921, in volume 34, pages 81-91
Published in Nautilis, in 1921, in volume 34, pages 91-92
Published in Nautilis, in 1921, in volume 34, pages 93-95
Published in Nautilis, in 1921, in volume 34, pages 95-97
Published in Nautilis, in 1921, in volume 34, pages 97-100
Published in Nautilis, in 1921, in volume 34, pages 100-101
Published in Nautilis, in 1921, in volume 34, pages 102-104
Published in Nautilus Boston Mass, in 1921, in volume 34, pages 109-110
Published in Nautilis, in 1921, in volume 34, pages 110-113
Published in Nautilis, in 1921, in volume 34, pages 113-114
Published in Nautilis, in 1921, in volume 34, pages 114-116
Published in Nautilis, in 1921, in volume 34, pages 117-119
Published in Nautilis, in 1921, in volume 34, pages 119-124
Published in Nautilis, in 1921, in volume 34, pages 132-133
Published in Nautilis, in 1921, in volume 34, pages 133-136
Published in Nautilis, in 1921, in volume 34, pages 137-138
Published in Nautilus, in 1921, in volume 34, pages 138-9
Published in Nautilis, in 1921, in volume 35, pages 1-4
Published in Nautilis, in 1921, in volume 35, pages 4-5
Published in Nautilis, in 1921, in volume 35, pages 5-9
Published in Nautilis, in 1921, in volume 35, pages 9-12
Published in Nautilis, in 1921, in volume 35, pages 12-14
Published in Nautilus Boston Mass, in 1921, in volume 35, pages 14-16
Published in Nautilis, in 1921, in volume 35, pages 20-22
Published in Nautilus Boston Mass, in 1921, in volume 35, pages 22-24
Published in Nautilis, in 1921, in volume 35, pages 24-27
Published in Nautilis, in 1921, in volume 35, pages 29-32
Published in Nautilis, in 1921, in volume 35, pages 33-34
Published in Nautilis, in 1921, in volume 35, pages 35-39
Published in Nautilis, in 1921, in volume 35, pages 39-40
Published in Nautilis, in 1921, in volume 35, pages 40-44
Published in Nautilis, in 1921, in volume 35, pages 44-48
Published in Nautilis, in 1921, in volume 35, pages 48-49
Published in Nautilis, in 1921, in volume 35, pages 49-50
Published in Nautilis, in 1921, in volume 35, pages 50-57
Published in The Nautilis, in 1921, in volume 35, pages 57-58