R.E. and R.M. Blackwelder. 1948. Fifth supplement (1939-1947) to the Leng catalogue of Coleoptera...

R.E. and R.M. Blackwelder. 1948.
Fifth supplement (1939-1947) to the Leng catalogue of Coleoptera of America, north of Mexico.
New York. 1948. 87 pp.