- Kramer, C. L., and H. E. Thompson. 1959. Dutch elm disease in Kansas in 1958 . Plant Disease Reporter 43:511-512.
- Kramer, C. L., and H. E. Thompson. 1960. Dutch elm disease in Kansas in 1959 . Plant Disease Reporter 44:162.
- Kramer, C. L., and H. E. Thompson. 1961. Dutch elm disease in Kansas in 1960 . Plant Disease Reporter 45:309.
- Kramer, C. L., and H. E. Thompson. 1962. Dutch elm disease in Kansas in 1961 . Plant Disease Reporter 46:189.
- Kramer. 1913. Schadigungen des schwarzen Kiefernbastkafers. Landw. Wochenschr. Pommern 1913:195.
- Thompson, H. E., C. L. Kramer, and R. A. Keen. 1964. Dutch elm disease and its control in Kansas. Kansas Agricultural Experiment Station, Bulletin 434 (revised). 12 p.
- Willis, W. C., C. L. Kramer, and H. E. Thompson. 1963. Dutch elm disease in Kansas in 1962 . Plant Disease Reporter 47:443.
- Willis, W. C., C. L. Kramer, and H. E. Thompson. 1964. Dutch elm disease in Kansas in 1963 . Plant Disease Reporter 48:324.
- Willis, W. C., C. L. Kramer, and H. E. Thompson. 1965. Dutch elm disease in Kansas in 1964 . Plant Disease Reporter 49:359.