Archiving Institution |
Program |
Holdings Description |
Retention |
HathiTrust (HATHI) |
HTDL |
no.1-17; no.1; no.1-6 1961-1964; no.2; no.4; no.5; no.6; no.7; no.7 1964; no.1-14 (1961-1967); no.8-14; no.9; no.11; no.14; no.15-19 1968; no.16; no.16 1968; no.15-22 1968-1969; no.21; no.21 1969; no.22 1969; no.20 1970
|
permanent
|
Linda Hall Library of Science, Engineering & Technology (LHL) |
Linda Hall Library of Science, Engineering & Technology |
no.4-no.22 (1963-1969)
|
|
Washington Research Library Consortium (CAO) |
Scholars Trust, WRLC |
no.16-22 1968-69
|
20351231
|