| 作者 | Paul Random Henson / R. C. Gaines / Appalachian Forest Experiment Station (Asheville, N.C.) / Arnon Lewis Mehring / D. L. Parker / Ernest John George / Ernest William Laake / George Henry Hepting / George W. Barber / Gustaf Adolph Pearson / Horace Greeley Byers / John Robert Magness / John Robinson Winston / Joseph Everett Alicata / Le Roy August Reynoldson / Leander D. Howell / Lorraine Joseph Markwardt / Martin Trantham Young / Newell Emanuel Good / Paul Wormer Edwards / Philip Carman Wakeley / Raymond Secord Washburn / Stephen Harold Hastings / Walter Ernest Fleming / Elliott Sanford Degman / Emory Clayton Cushing / F. E. Parker / George Eugene Marvin / Harvey Leroy Westover / John Sanderlain Burgess / Luther R. Leinbach / Lyle Thomas Alexander / Raymond Eugene Marsh / Thomas Randall Carson Wilson / Henry Edward Parish / Joe Roudolph Furr / R. S. Holmes |
