- North Carolina Cooperative Extension Service152
- Graeber, R. W. (Robert Walter), 1888-196728
- North Carolina Agricultural Extension Service17
- Northup & O'Brien (Winston-Salem, N.C.)16
- North Carolina State University. Department of 4-H Youth Development15
- O'Brien, Leet Alexander, 1891-19636
- North Carolina State College. School of Forestry4
- North Carolina State University. College of Forest Resources4
- Little, Robert M., Jr.3
- Page, Rufus H.3
- North Carolina Agricultural Extension Service. Home Demonstration Program2
- Artz, John W.1
- Brown, Mack D.1
- Mattoon, Wilbur R.1
- North Carolina State College. School of Textiles1
- Northup, Willard Close1
- Phillips, G. H.1
- Phillips, Oscar H.1
- Siddell Studio1
- United States. Bureau of Forestry1