| 1. | Barbershop quartets, the first quartet named on records, and the most popular quartet of the acoustic era / Gracyk, Tim (Antique Phonograph News; Nov.-Dec. 2002; 6-8) |
| 2. | Best kept musical secret (Playboard; 26#5; Oct. 1991; 25) |
| 3. | Sweet Adelines, Inc. (MCA: Manitoba Choral Association Journal; Special issue; 1986; 52) |