Published in Nautilus, in 1901, in volume 15, pages 90-91

Published in Nautilis, in 1901, in volume 14, pages 133-135

Published in Nautilis, in 1901, in volume 14, pages 135-136

Published in Nautilis, in 1901, in volume 14, pages 136-140

Published in Nautilis, in 1901, in volume 14, pages 140-142

Published in Nautilis, in 1901, in volume 14, pages 142-143

Published in Nautilis, in 1901, in volume 14, pages 143-144

Published in Nautilis, in 1901, in volume 14, pages 121-125

Published in Nautilis, in 1901, in volume 14, pages 125-126

Published in Nautilis, in 1901, in volume 14, pages 126-127

Published in Nautilis, in 1901, in volume 14, pages 127-130

Published in Nautilis, in 1901, in volume 14, pages 109-112

Published in Nautilis, in 1901, in volume 14, pages 113-114

Published in Nautilis, in 1901, in volume 14, pages 114-115

Published in Nautilis, in 1901, in volume 14, pages 115-117

Published in Nautilis, in 1901, in volume 14, pages 117-118

Published in Nautilis, in 1901, in volume 15, pages 74-75

Published in Nautilis, in 1901, in volume 15, pages 77-82

Published in Nautilis, in 1901, in volume 15, pages 66-69

Published in Nautilis, in 1901, in volume 15, pages 53-54

Published in Nautilis, in 1901, in volume 15, pages 58-59

Published in Nautilis, in 1901, in volume 15, pages 39-40

Published in Nautilis, in 1901, in volume 15, pages 34-35

Published in Nautilis, in 1901, in volume 15, pages 18-24