This series comprises personal correspondence to and from Tindale for the period 1921. Correspondence within this series reflects early salary negotiations between Tindale and the South Australian Museum in addition to correspondence between Tindale and Arthur Mills Lea (see AA867) concerning entomological speciments collected by Tindale for the South Australian Museum during the Groote Eylandt (NT) expedition of 1921-1922.

Correspondence has been arranged in chronological order.