Royd Ray Sayers

N. F. Le Jeune, A. D. Bauer, Byron Oscar Pickard, John Robert Reeves, Theodore Earl Swigart, Arno Carl Fieldner, C. E. Sims, C. L. Colburn, Charles Edward Munroe, Clyde Elmer Williams, Craig Miller Bouton, Daniel Harrington, Edward H. Denny, Ernest J. Gleim, Eugene Delos Gardner, George Samuel Rice, George William Jones, Henry Alfred Doerner, Henry Kreisinger, Hilary Breton Brunot, J. J. Jakowsky, John Allen Davis, Joseph Dana Davis, Lee Clyde Ilsley, Leonard Greenburg, Ludwig Schmidt, Nicholas Arthur Clarke Smith, Oliver Bowles, Raymond Bardeen Ladoo, Robert John Anderson, Ronald Van Auken Mills, Royd Ray Sayers, Rudolf H. Kudlich, Sidney Hershberg Katz, Spencer Pritchard Howell, Thomas Varley, William Albert Dunkley, William Marsh Myers, William Melvin Weigel, William W. Odell, William Waugh Adams, H. B. Freeman (Jr.), Alva Britt Hooker, George Wetherall Smith, Harry Mac Cooper, J. E. Crawshaw, James Washington Paul, John Blizard, L. G. Marsh, Maurice Bacon Cooke, Max Wilhelm von Bernewitz, Paul Hopkins, William Parks Yant, Fred Davidson Osgood, Lawrence Bursley Berger · Yayınevi bilinmiyor

710 sayfa · 1922

Air

Lionel Herman Duschak, Curt Nicolaus Schuette · Yayınevi bilinmiyor

688 sayfa · 1923

Mercury

United States. Bureau of Mines · Yayınevi bilinmiyor

142 sayfa · 1925

Gases, Asphyxiating and poisonous

United States. Committee of Surgeons on Standardization of First Aid, United States. Bureau of Mines · Yayınevi bilinmiyor

230 sayfa · 1921

First aid in illness and injury

Royd Ray Sayers · Yayınevi bilinmiyor

10 sayfa · 1922

Carbon dioxide

Martin Joseph Gavin, Richard Valentine Ageton, Willard Walker Cutler, Arno Carl Fieldner, Arthur L. Murray, Byron O. Pickard, C. Lorimer Colburn, , · Yayınevi bilinmiyor

William Waugh Adams, Byron Matthew Bird, Albert John Kraemer, Arno Carl Fieldner, B. Marvel O'Harra, Byron Oscar Pickard, Carl A. Taylor, Clyde Elmer Williams, · Yayınevi bilinmiyor

Royd Ray Sayers, William Parks Yant, George William Jones · Yayınevi bilinmiyor

8 sayfa · 1923

Air

F. C. Houghten, Constantin Promos Yagloglou, Royd Ray Sayers · Yayınevi bilinmiyor

22 sayfa · 1924

Mine atmospheres

Royd Ray Sayers · Yayınevi bilinmiyor

8 sayfa · 1924

Carbon monoxide

Royd Ray Sayers, William Parks Yant · Yayınevi bilinmiyor

22 sayfa · 1925

Carbon monoxide

Royd Ray Sayers, Sara Jeannette Davenport · Yayınevi bilinmiyor

64 sayfa · 1925

Carbon monoxide

Grover Andrew Kempf, John Atkinson Ferrell, Richard Henry Creel, Royd Ray Sayers, Taliaferro Clark, William Parks Yant, Edward Levy, William Belmont Fulton · Yayınevi bilinmiyor

1304 sayfa · 1928

Carbon monoxide

Royd Ray Sayers · Yayınevi bilinmiyor

14 sayfa · 1932

Radium

George Samuel Rice, Royd Ray Sayers, D. Harrington · Yayınevi bilinmiyor

6 sayfa · 1927

Coal mines and mining

John Robert Reeves, Lee Clyde Ilsley, Albert Russell Mumford, Alfred Richard Powell, Alva Britt Hooker, Arthur L. Murray, B. Marvel O'Harra, Charles Arthur Herbert, Donald B. Dow, · Yayınevi bilinmiyor

United States. Bureau of Mines, Royd Ray Sayers, Arno Carl Fieldner, William Parks Yant, Bernard George Herman Thomas · Yayınevi bilinmiyor

482 sayfa · 1927

Animal experimentation