Published in Entomological News Philadelphia, in 1921, in volume 32, pages 6
Published in Entomological News Philadelphia, in 1921, in volume 32, pages 8-18
Published in Entomological News Philadelphia, in 1921, in volume 32, pages 23
Published in Entomological News Philadelphia, in 1921, in volume 32, pages 40-45
Published in Entomological News, in 1921, in volume 32, pages 45-47
Published in Entomological News, in 1921, in volume 32, pages 72-76
Published in Entomological News Philadelphia, in 1921, in volume 32, pages 89
Published in Entomological News Philadelphia, in 1921, in volume 32, pages 105
Published in Entomological News Philadelphia, in 1921, in volume 32, pages 141-143
Published in Entomological News Philadelphia, in 1921, in volume 32, pages 144-148
Published in Entomological News Philadelphia, in 1921, in volume 32, pages 149
Published in Ent. News, in 1921, in volume 32, pages 161-169
Published in Entomological News, in 1921, in volume 32, pages 172-174
Published in Entomological News, in 1921, in volume 32, pages 175-179
Published in Entomological News, in 1921, in volume 32, pages 201-205
Published in Entomological News, in 1921, in volume 32, pages 209-213
Published in Ent. News, in 1921, in volume 32, pages 229-232
Published in Entomological News Philadelphia, in 1921, in volume 32, pages 239-241
Published in Entomological News, Philadelphia, in 1921, in volume 32, pages 270-273
Published in Entomological News Philadelphia, in 1921, in volume 32, pages 273-276
Published in Entomological News Philadelphia, in 1921, in volume 32, pages 289-291
Published in Entomological News, in 1921, in volume 32, pages 292-295
Published in Entomological News Philadelphia, in 1921, in volume 32, pages 295-298
Published in Entomological News, in 1921, in volume 32, pages 299-302
Published in Entomological News, in 1921, in volume 32, pages 308-310
Published in Entomological News Philadelphia, in 1921, in volume 32, pages 310
Published in Entomological News, in 1921, in volume 32, pages 311-312