found: NUCMC data from Univ. of Ill. at Urbana-Champaign Archives for Schaller, A.L. Scrapbook, 1904-1911(Tau Beta Pi)
found: LC data base, 08-10-91(Less than fully authenticated serial usage: Tau Beta Pi, Tau Beta Pi Association) LC manual cat. (hdg.: Tau Beta Pi; usage: Tau Beta Pi, Tau Beta Pi Association)
found: Enc. of assoc.,1988 (under entry 20393: Tau Beta Pi Association (Engineering); Knoxville, TN; f. 1885)
found: Galenet Associations unlimited (national) WWW Home page, 3/23/98(Tau Beta Pi absorbed Sigma Tau, 1974)
