Tham khảo Giải_quần_vợt_vô_địch_quốc_gia_Mỹ_1933_-_Đơn_nam

  1. 1 2 Collins, Bud (2010). The Bud Collins History of Tennis (ấn bản 2). [New York City]: New Chapter Press. tr. 459. ISBN 978-0942257700.
  2. 1 2 Talbert, Bill (1967). Tennis Observed – The USLTA Men’s Singles Championships, 1881-1966,. Barre: Barre Publishers. tr. 111. OCLC 172306.
  3. Alan Gould (ngày 2 tháng 9 năm 1933). “Men's singles starts today”. The Los Angeles Times. tr. 5, 7 – qua Newspapers.com. Shields is seeded No. 2, between Vines và Allison, although the big New Yorker was ranked only fifth last year. Frankie Parker, the 17-year old sensation, although only No. 12 in the ranking list, was seeded fifth, between Clifford Sutter và Sidney Wood.