Published in Nautilus Philadelphia, in 1957, in volume 70, pages 73-84

Published in Nautilus Philadelphia, in 1957, in volume 70, pages 88-90

Published in The Nautilus, in 1957, in volume 70, pages 111-113

Published in The Nautilus, in 1957, in volume 70, issue 4, pages 136-138

Published in Nautilus Philadelphia, in 1957, in volume 71, pages 9-10

Published in Nautilus Philadelphia, in 1957, in volume 71, pages 47-52

Published in The Nautilus, in 1957, in volume 71, pages 53-54