Photograph of Philip H. Hamm, from the 1903 Wisconsin Blue Book.
<p>Halford Erickson, compiler of the 1903 Wisconsin Blue Book<br></p>
(Life time: 1973)
1903
<p><b>Original publication</b>: 1903 Wisconsin Blue Book<br></p>
<b>Immediate source</b>: Page 560,1903 Wisconsin Blue Book