From The Rockford Enterprise, Rockford, Spokane County, Washington Territory, 24 September 1887:
"Louis Kaminsky is in charge of their (Kaminsky) business at Oakesdale. An enterprising family."
From The Rockford Enterprise, Rockford, Spokane County, Washington Territory, 27 August 1887:
"Mr. Louis Kaminsky is among the lucky ones drawing prizes in the Louisiana State Lottery. Last Tuesday he received a check for $30 from that institution, which was the substantial return from a one-tenth ticket in the $300 prize. Louis' lucky ticket bore the number of 36460."
The Spokane City directory for 1890 lists him as a bookkeeper at M Kaminsky & Co and boarding at 516 W 2d Spokane Falls, WA.