Context:

Referenced as a source for a quote from Tip O'Neill about Reagan, with the speaker noting 'it's quoted in Bob Spitz's book that we've referred to a few times.' This appears to be Bob Spitz's Reagan biography.

Context:

Referenced multiple times as having written a biography of Reagan with detailed descriptions of Reagan's General Electric plant visits and campaign appearances

Context:

Referenced as 'his biography of Reagan' - Bob Spitz is identified as one of Reagan's biographers. The biography is quoted describing Tampico, Illinois as 'basically like the set of a low-budget Western' and describing Jack Reagan's skill at 'fitting the female foot.'