Published in The Nautilus, in 1954, in volume 67, pages 83-86

Published in Nautilus Philadelphia, in 1954, in volume 67, pages 105-107

Published in Nautilus Philadelphia, in 1954, in volume 67, pages 107

Published in Nautilus Philadelphia, in 1954, in volume 67, pages 112-120

Published in Nautilus Philadelphia, in 1954, in volume 67, pages 139-140

Published in The Nautilus, in 1954, in volume 68, pages 3-10

Published in Nautilus Philadelphia, in 1954, in volume 68, pages 28-30

Published in Nautilus Philadelphia, in 1954, in volume 68, pages 30-33

Published in Nautilus Philadelphia, in 1954, in volume 68, pages 37-44

Published in Nautilus Philadelphia, in 1954, in volume 68, pages 65-66