- Oregon State College. Extension Service[remove]10
- Klamath County (Or.)2
- Josephine County (Or.)1
- Lane County (Or.)1
- Linn County (Or.)1
- Long Range Planning Conference (1938 : Klamath County, Or.)1
- Long Range Planning Conference (1946 : Josephine County, Or.)1
- Long Range Planning Conference (1947 : Umatilla County, Or.)1
- Long Range Planning Conference (1947 : Wasco County, Or.)1
- Long Range Planning Conference (1948 : Sherman County, Or.)1
- Long Range Planning Conference (1956 : Linn County, Or.)1
- Long Range Planning Conference (1956 : Marion County, Or.)1
- Long Range Planning Conference (1958 : Klamath County, Or.)1
- Long Range Planning Conference (1958 : Union County, Or.)1
- Long Range Planning Conference (1969 : Lane County, Or.)1
- Marion County (Or.)1
- Sherman County (Or.)1
- Umatilla County (Or.)1
- Union County (Or.)1
- Wasco County (Or.)1