Functions,
Lockwood, Douglas, 1918-1980,
PH0501/0609,
Douglas Lockwood Collection., PictureNT, PictureNT,
0000-00-00,
Date: Unknown,
Attribution International 4.0 (CC BY 4.0),
Library & Archives NT,
https://creativecommons.org/licenses/by/4.0/,
https://hdl.handle.net/10070/51399,
https://hdl.handle.net/10070/51399