[2] He co-authored Principles of Money, Banking, and Financial Markets with William L. Silber and Gregory F. Udell.

In researching The Glory of Their Times, Ritter travelled a total distance of 75,000 miles (121,000 km) to interview his subjects.

[citation needed] Ritter's technique was to get his interviewee comfortable around him and tape record while he remained silent.

[citation needed] He is known for finding and interviewing Sam Crawford, who played in the outfield with Ty Cobb in Detroit.

[citation needed] He located him based on a hint to "drive between 175 and 225 miles north of Los Angeles" by Crawford’s wife.