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Welch, John W.
Journal
Wayment, Thomas A.
Journal
Welch, John W.
Journal
Ottinger, G.M.
Magazine Article
Welch, John W.
Journal
Smith, R.H.
Magazine Article
Welch, John W.
Journal
Ottinger, G.M.
Magazine Article
Holzapfel, Richard Neitzel
Journal
Welch, John W.
Journal
Tyler, Daniel
Magazine Article
Ottinger, G.M.
Magazine Article
Ottinger, G.M.
Magazine Article
Welch, John W.
Journal
Ottinger, G.M.
Magazine Article
Holzapfel, Richard Neitzel
Journal