"Goudsmit and I were never together, I think, during the period when [The Structure of Line Spectra] was written. He would write a draft of some material that he thought ought to go
in the book and then using that as a basis I wrote the corresponding sections of the
book." Linus Pauling. AHQP (Archive for the History of Quantum Physics), interview transcript part 2. Interview
by John Heilbron. March 27, 1964.