(It is reported that there is an earlier version of the chart than G.000a, handwritten on the back of a used navigation chart.)
Handwritten chart from 1939, G.000a. This is the upper half only; the lower half continues the typed dates but has no other content.

The reverse of the entire 1939 chart, the lower half of one of Heinlein's campaign posters.

Version published in ASF, May 1941, G.000b

Version published in 1950 Shasta editions, G.000d. (Version G.000c is identical except that “We Also Walk Dogs”; is omitted.)

Version published in 1967 Past Through Tomorrow (and nearly all subsequent publications), G.000e

Courtesy Nitrosyncretic Press, 2011