DescriptionPopular Science Monthly Volume 36.djvu The Popular science monthly Date 1889 Source archive.org Author Various...
Larva of flea |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_37.djvu/357 |Date = 1890 |Author = Unknown |Permission = {{PD-old}}...
DescriptionPopular Science Monthly Volume 84.djvu The Popular science monthly Date 1914 Source archive.org Author Various...
DescriptionPopular Science Monthly Volume 58.djvu The Popular science monthly Date 1901 Source archive.org Author Various...
DescriptionPopular Science Monthly Volume 26.djvu The Popular science monthly Date 1885 Source archive.org Author Various...
DescriptionPopular Science Monthly Volume 41.djvu The Popular science monthly Date 1892 Source archive.org Author Various...
DescriptionPopular Science Monthly Volume 81.djvu The Popular science monthly Date 1912 Source archive.org Author Various...
DescriptionPopular Science Monthly Volume 28.djvu Popular science monthly Date 1886 Source archive.org Author Various...
DescriptionPopular Science Monthly Volume 33.djvu The Popular science monthly Date 1888 Source archive.org Author Various...
DescriptionPopular Science Monthly Volume 91.djvu Popular science monthly Date 1917 Source archive.org Author Various...
