Necessary protection
Colin McCahon Nov. 71–Feb. 72. Muriwai. (brushpoint, b.l.)
1972 Colin McCahon: Paintings from This Summer '71 - '72
Barry Lett Galleries
Auckland
13/3/1972 - 24/3/1972
1977 McCahon's "Necessary Protection"
Govett-Brewster Art Gallery
New Plymouth
1/9/1977 - 25/9/1977