W.C. Helmbold (Helmbold, W.C. / W. C. Helmbold / Helmbold, W. C.)

• 
  via
  Gorgias
  by Plato, W.C. Helmbold
  Softcover, Macmillan Pub Co, ISBN 0023529504 (0-02-352950-4)
• 
  Plato Phaedrus
  by W.C. Helmbold, Plato, W.G. Rabinowitz
  Softcover, Macmillan Pub Co, ISBN 0023529601 (0-02-352960-1)
• 
  Plutarch's Moralia
  by Plutarch
  Hardcover, Harvard Univ Pr, ISBN 0674994671 (0-674-99467-1)