Mom's notes on topics in physics that interested her: for all she was already eighty-some years old!

"Definition & explanation of Quasars, (maybe in up-to-date dictionary of astronomy?)

"Paper by Y. P. Varshni of U. of Ottawa -- The Red Shift Hypothesis for Quasars. (1976 pub. date.)"

Yours truly's hand-scribbled addendum in pencil:

"Q'B4.06 / QB4.059

"Ottawa, Dominion Observatory, Publications. 918-970 V 003-039"

Wow! "Now, what?"