A box sitting outside of Haney's antique shop is from the "OK Oil Co" of Tulsa, Oklahoma. That's the same company that bought Jed Clampett's swamp and found oil on The Beverly Hillbillies (1962). Both series are from Paul Henning.
The underlining joke in mentioning George Jessel at the alumni testimonial revolves around the fact that he was nicknamed The Toastmaster General because of his renown for presiding over many celebrity-ridden testimonials, dinners, and roasts, the Friars Club in New York City being perhaps the most famous venue where he presided.
LIsa's Eliot Mess is an obvious allusion to the TV crime-drama series The Untouchables (1959) that portrayed the exploits of prohibition-era federal agent Eliot Ness, played by Robert Stack.