Published in Journal of The Washington Academy of Sciences, in 1958, in volume 47, pages 21-23
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 47, pages 60-63
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 47, pages 64-66
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 47, pages 89-91
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 47, pages 127-128
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 8-14
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 18-21
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 22-26
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 27
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 28-32
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 38-43
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 48-52
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 53-55
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 56-62
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 77-89
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 90-94
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 95-99
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 100-108
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 113-114
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 127-131
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 153-157
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 160-168
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 169-175
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 186-187
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 188-191
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 192-198
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 235-237
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 238-239
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 240-243
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 260-262
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 263-266
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 267-270
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 285-293
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 294-300
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 301-304
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 309
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 317-326
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 358-361
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 362-372
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 387-388
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 389-393
Published in Jour Washington Acad Sci, in 1958, in volume 48, pages 394-396
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, issue 4, pages 115-118
Published in Journal of the Washington Academy of Sciences, in 1958, in volume 48, issue 4, pages 119-126
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, issue 7, pages 230-234
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, issue 12, pages 398-405
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 49, pages 261-8