Circular.
- Publisher: Office of State Entomologist
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 3227167
- Subject: Insect pests Colorado.
- Subject code: S
- Publication history: Began with no. 1, published 1910; ceased with no. 65, published 1935?
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1913-14; v.7-18 1913-1916; no.1-6,10-27 Apr.-Aug. 1910-1919; v.20-30 1916-1920; v.31-40 1921-1923; 1900-11 1914-25; no.27*; no.28*; no.28-46 Aug.-Mar. 1920-1925; v.51-60 1926-1934; no.30*; no.38*; no.43*; no.47-65 June-Mar. 1925-1935; v.61-65 1934-1935 | permanent |