"Reprinted from the Popular science monthly for July and August, 1887."Mode of access: Internet
"Published April, 1927. Reprinted August, 1928 ... June, 1938."Mode of access: Internet
Reprinted from the Popular science monthly, June-Dec., 1903.Cover-title.Mode of access: Internet
Reprinted from the Popular science monthly, v. 1, 2 and 5, 1872-1874.Mode of access: Internet
Mode of access: Internet.Vols. 1 (1872)-20 (1882). 1 v.; Vols. 1 (1872)-40 (1892). 1 v
"Reprinted from The Popular science monthly, March, 1904".Mode of access: Internet
"Reprinted from the Popular science monthly, September and October, 1884."Mode of access: Internet
Reprinted from the Popular Science monthly, August, 1911.Cover-title.Mode of access: Internet
Reprinted from the Popular science monthly, April, 1905.Mode of access: Internet
"In its earlier abridged form ... given as a Phi Beta Kappa oration at Brown University, and ... pub...
"Reprinted from the Popular Science Monthly, for July, 1892."Mode of access: Internet
"Reprinted from the Southern Presbyterian review for July, 1873."Mode of access: Internet
"Reprinted from Silliman's American journal of science for March, July, and September, 1865."Mode of...
"Reprinted from the Monthly journal of science, November, 1879."Mode of access: Internet
"Reprinted ... September, 1917.""Regarding additional reading": p. 322-323.Mode of access: Internet
Editors: 1884-Nov. 1903, W.J. Behrens.--Mar. 1904-Ernst Küster.Mode of access: Internet
"Published April, 1927. Reprinted August, 1928 ... June, 1938."Mode of access: Internet
Reprinted from the Popular science monthly, June-Dec., 1903.Cover-title.Mode of access: Internet
Reprinted from the Popular science monthly, v. 1, 2 and 5, 1872-1874.Mode of access: Internet
Mode of access: Internet.Vols. 1 (1872)-20 (1882). 1 v.; Vols. 1 (1872)-40 (1892). 1 v
"Reprinted from The Popular science monthly, March, 1904".Mode of access: Internet
"Reprinted from the Popular science monthly, September and October, 1884."Mode of access: Internet
Reprinted from the Popular Science monthly, August, 1911.Cover-title.Mode of access: Internet
Reprinted from the Popular science monthly, April, 1905.Mode of access: Internet
"In its earlier abridged form ... given as a Phi Beta Kappa oration at Brown University, and ... pub...
"Reprinted from the Popular Science Monthly, for July, 1892."Mode of access: Internet
"Reprinted from the Southern Presbyterian review for July, 1873."Mode of access: Internet
"Reprinted from Silliman's American journal of science for March, July, and September, 1865."Mode of...
"Reprinted from the Monthly journal of science, November, 1879."Mode of access: Internet
"Reprinted ... September, 1917.""Regarding additional reading": p. 322-323.Mode of access: Internet
Editors: 1884-Nov. 1903, W.J. Behrens.--Mar. 1904-Ernst Küster.Mode of access: Internet
"Published April, 1927. Reprinted August, 1928 ... June, 1938."Mode of access: Internet
Reprinted from the Popular science monthly, June-Dec., 1903.Cover-title.Mode of access: Internet
Reprinted from the Popular science monthly, v. 1, 2 and 5, 1872-1874.Mode of access: Internet