During his career, Heinrich developed a standardized system of taxa description which facilitates taxa identification and comparative analysis. He is the author of 4 major publications on Ichneumonidae, 4 popular travelogues, 93 smaller but significant publications on Ichneumoninae, 3 publications on European mammals, 3 publications on the biology of the birds of Angola, and 2 publications on the systematics of the birds of Angola, coauthored with Sidney Dillon Ripley.Weems H. Foreword. Arthropods of Florida and Neighboring Land Areas 1977. volum 9 pages 1 to 350.Weems H. and Howard W. In Memoriam: Gerd H. Heinrich. Florida Entomologist 1986. Volume 69(1) pages 182 to 281.
