Published in Nautilus, in 1951, in volume 64, issue 4, pages 110-116
Published in Nautilus Philadelphia, in 1951, in volume 64, pages 73-77
Published in Nautilus Philadelphia, in 1951, in volume 64, pages 91-93
Published in Nautilus Philadelphia, in 1951, in volume 64, pages 94-96
Published in Nautilus Philadelphia, in 1951, in volume 64, pages 116-119
Published in Nautilus Philadelphia, in 1951, in volume 64, pages 119-120
Published in Nautilus Philadelphia, in 1951, in volume 64, pages 123-131
Published in Nautilus Philadelphia, in 1951, in volume 64, pages 133-134
Published in Nautilus Philadelphia, in 1951, in volume 65, pages 3-6
Published in Nautilus Philadelphia, in 1951, in volume 65, pages 6-8
Published in Nautilus Philadelphia, in 1951, in volume 65, pages 20-22
Published in Nautilus, in 1951, in volume 65, pages 57-61