The Penguin History of the United States of America /

Eitemau Tebyg

• A Documentary History of The United States /
  gan: Heffner, Richard D.
  Cyhoeddwyd: (1956)
• United States /
  gan: Savelle, Max
  Cyhoeddwyd: (1953, c1953)
• Freedom Under Law. A History of The United States /
  gan: Planer, Mabel Gertrude
  Cyhoeddwyd: (1962)
• United States and Canadá /
  gan: Griffin, James B.
  Cyhoeddwyd: (1953, c1953)
• Guide to Materials for the History of the United States in the Principal Archives of Mexico /
  gan: Bolton, Herbert Eugene
  Cyhoeddwyd: (1965, c1965)