On the recent secular period of the aurora borealis.
Olmsted, Denison, 1791-1859.
On the recent secular period of the aurora borealis. By Denison Olmsted. - [Washington, Smithsonian Institution, 1856] - 52 p. 33 cm. - Smithsonian contributions to knowledge. [vol. VIII, art. 3] Smithsonian Institution publication 81. .
s 13000035
Auroras.
Q11 / .S68 vol. 8
On the recent secular period of the aurora borealis. By Denison Olmsted. - [Washington, Smithsonian Institution, 1856] - 52 p. 33 cm. - Smithsonian contributions to knowledge. [vol. VIII, art. 3] Smithsonian Institution publication 81. .
s 13000035
Auroras.
Q11 / .S68 vol. 8