An Authoritative Guide to International Graphic Symbols

You will see these in Internet searches for Hobo Signs.
The symbols are depicted as semi-rough symbols to represent chalk drawings on a sidewalk.

These signs can be found in our
Hobo signs database page by searching Henry Dreyfuss

Note under Hobo Signs

Note: Hobo signs are drawn as they usually appear - in chalk, on a rough wood fence, post or sidewalk.

This sourcebook illustrates 59 hobo signs on two pages, 90 and 91.