Simon Fraser University
Chem1 Virtual Textbook: Emission and Absorption Spectra
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site specifically discusses emission and absorption spectra in relation to the Bohr model.
Curated OER
Smithsonian Libraries: Scientific Identity: Joseph Von Fraunhofer (1787 1826)
A portrait of Joseph von Fraunhofer from the Dibner Library of the History of Science and Technology, made available through the Smithsonian Institution's Scientific Identity Collection.