Part 2 has been added to this LaTeX file, originally posted in October, which contained only Part 1. On the Quantum Theory of Line-Spectra, Part 1 and 2, by Bohr 47167 [Full Author: Niels Henrik David Bohr] [Language: EN] [Link: http://www.gutenberg.org/4/7/1/6/47167 ] [Files: 47167-t.tex; 47167-pdf.pdf] Thanks to Andrew D. Hwang David