"The Motor Boat Club at Nantucket" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"The Young Engineers in Arizona" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"The Young Engineers in Colorado" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"The Young Engineers in Mexico" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"The Young Engineers in Nevada" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"The Young Engineers on the Gulf" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"Uncle Sam's Boys" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"Uncle Sam's Boys as Lieutenants" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"Uncle Sam's Boys as Sergeants" from Harrie Irving Hancock. American chemist and writer (1866-1922).

"Uncle Sam's Boys in the Philippines" from Harrie Irving Hancock. American chemist and writer (1866-1922).