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4
James W. Watson. May 25, 1906. -- Ordered to be printed
United States congressional serial set ; serial set no. 4905-G;Senate report / 59th Congress, 1st session. Senate ; no. 3811
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5
James W. Watson. June 21, 1906. -- Committed to the Committ..
United States congressional serial set ; serial set no. 4908-H;House report / 59th Congress, 1st session. House ; no. 4982
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7
An Econometric Model of International Long-run Growth Dynam..
NBER working paper series, no. w26593
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9
Identification and Estimation of Dynamic Causal Effects in ..
NBER working paper series, no. w24216