Published in Entomological News, Philadelphia, in 1951, in volume 62, pages 3-40

Published in Entomological News, in 1951, in volume 62, pages 41-43

Published in Entomological News, in 1951, in volume 62, pages 43-48

Published in Entomological News, in 1951, in volume 62, pages 61-69

Published in Entomological News, in 1951, in volume 62, pages 70-76

Published in Entomological news, in 1951, in volume 62, pages 77-83

Published in Entomological News, in 1951, in volume 62, pages 97-102

Published in Entomological News, in 1951, in volume 62, pages 135-137

Published in Entomological News Lancaster, in 1951, in volume 62, pages 139-140

Published in Entomological News, in 1951, in volume 62, pages 153-163

Published in Entomological News Philadelphia, in 1951, in volume 62, pages 188-189

Published in Entomological News, in 1951, in volume 62, pages 190-192

Published in Ent. News, in 1951, in volume 62, pages 217-218

Published in Entomological News, Philadelphia, in 1951, in volume 62, pages 224-226

Published in Entomological News, in 1951, in volume 62, pages 237-241

Published in Entomological News, in 1951, in volume 62, pages 241-244

Published in Entomological News Lancaster, in 1951, in volume 62, pages 245-249

Published in Entomological News, in 1951, in volume 62, pages 249-252