No enemy sub will dare lift its eye if you lend your Zeiss or Bausch & Lomb bino culars to the Navy : pack carefully, include your name and address : send to Naval Observatory Washington D.C. [between 1941 and 1943]. Library of Congress Prints and Photographs Division. Reproduction Number: LC-USZC2-5161.

Are you helping? with salvage. [between 1941 and 1943]. Library of Congress Prints and Photographs Division. Reproduction Number: LC-USZC2-1179.

Sew for victory / Pistchal. [between 1941 and 1943]. Library of Congress Prints and Photographs Division. Reproduction Number: LC-USZC2-5382.

Keep mum - the world has ears / Grigware. Edward T. Grigware. [between 1941 and 1943]. Library of Congress Prints and Photographs Division. Reproduction Number: LC-USZC2-5554.

Smoking stacks attract attacks : Don't invite disaster / PvP. Phil von Phul. [1940 or 1941]. Library of Congress Prints and Photographs Division. Reproduction Number: LC-USZC4-5065.

This happens when you talk to others about ship sailings : Let's make New Orleans a safe port of departure / John McCrady. John McCrady. [between 1941 and 1943]. Library of Congress Prints and Photographs Division. Reproduction Number: LC-USZC2-1591.

Stamp 'em out : Buy U.S. stamps and bonds / T.A. Byrne. Thomas A. Byrne. [between 1941 and 1943]. Library of Congress Prints and Photographs Division. Reproduction Number: LC-USZC2-1142.