Spectroheliograph

The Rumford spectroheliograph of the Yerkes Observatory

by George E. Hale and Ferdinand Ellerman.

The five-foot spectroheliograph of the Solar Observatory

by George E. Hale and Ferdinand Ellerman.

The rotation period of the sun as determined from measures of plates taken with the Rumford spectroheliograph

by Philip Fox.

Hochauflösende Röntgenspektroskopie und Heliographie der Sonne mit Raketen

vorgelegt von Hans R. Härle.

Some new applications of the spectroheliograph

by George E. Hale.

An atlas of extreme ultraviolet spectroheliograms from 170 to 625 angstroms

E.O. Hulburt Center for Space Research ; Uri Feldman, J. Dewitt Purcell, Brian Dohne.

Proceedings of Kofu Symposium: new look at the sun with emphasis on advanced observations of coronal dynamics and flares : Kofu, September 6-10, 1993

edited by S. Enome, T. Hirayama.

Heliographic maps of the photosphere for the year 1973

by M. Waldmeier.

Determination of the instrumental profile of the Utrecht solar spectrograph by use of a laser

[by] H. G. van Bueren and H. Nieuwenhuijzen.

A muitilens spectroheliograph for non stabilized rockets.

Yngve Öhman