Add to ORKGReprinted from the Popular science monthly, April, 1905.Mode of access: Internet
"Reprinted from the Monthly journal of science, November, 1879."Mode of access: Internet
Reprinted from the American monthly review of reviews, Dec., 1906.Mode of access: Internet
Printed in Great Britain.Second edition published by E. P. Dutton and company in 1906."First publish...
"Reprinted from The Popular science monthly, March, 1904".Mode of access: Internet
Reprinted from the Popular science monthly, April, 1902, vol. LX.Cover title.Mode of access: Interne...
Reprinted from the Popular science monthly, vol.LXXI, June, Aug.-Dec., 1907.Various paging.Cover-tit...
"Reprinted from the Popular science monthly for July and August, 1887."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, December, 1904.Caption title.Mode of access: Internet
Reprinted from the Popular Science monthly, August, 1911.Cover-title.Mode of access: Internet
Reprinted from the Annals of the American academy of political and social science, July, 1909.Mode o...
"Reprinted from the Popular science monthly, September and October, 1884."Mode of access: Internet
"Reprinted from the Educational review, New York, January, 1902."Mode of access: Internet
Reprinted from the Pedagogical Seminary, December, 1905, p. 383-426.Cover-title.Mode of access: Inte...
"Reprinted from the proceedings of the American Academy of Arts and Sciences for the year 1876-77."M...
"Reprinted from the Monthly journal of science, November, 1879."Mode of access: Internet
Reprinted from the American monthly review of reviews, Dec., 1906.Mode of access: Internet
Printed in Great Britain.Second edition published by E. P. Dutton and company in 1906."First publish...
"Reprinted from The Popular science monthly, March, 1904".Mode of access: Internet
Reprinted from the Popular science monthly, April, 1902, vol. LX.Cover title.Mode of access: Interne...
Reprinted from the Popular science monthly, vol.LXXI, June, Aug.-Dec., 1907.Various paging.Cover-tit...
"Reprinted from the Popular science monthly for July and August, 1887."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, December, 1904.Caption title.Mode of access: Internet
Reprinted from the Popular Science monthly, August, 1911.Cover-title.Mode of access: Internet
Reprinted from the Annals of the American academy of political and social science, July, 1909.Mode o...
"Reprinted from the Popular science monthly, September and October, 1884."Mode of access: Internet
"Reprinted from the Educational review, New York, January, 1902."Mode of access: Internet
Reprinted from the Pedagogical Seminary, December, 1905, p. 383-426.Cover-title.Mode of access: Inte...
"Reprinted from the proceedings of the American Academy of Arts and Sciences for the year 1876-77."M...
"Reprinted from the Monthly journal of science, November, 1879."Mode of access: Internet
Reprinted from the American monthly review of reviews, Dec., 1906.Mode of access: Internet
Printed in Great Britain.Second edition published by E. P. Dutton and company in 1906."First publish...