Scope and Contents Collection contains detailed lectured notes, brief book and article summaries, some correspondence, journal and newspaper articles, photographs, and diagrams.Parasitology was Dr. Krull’s primary area of study. More specifically, he studied the life cycle of the tremstodes, including the lancet fluke. The Papers of Dr. Wendell H. Krull consist of notes that he utilized in teaching parasitology at Oklahoma State University. The lectures are arranged topically, covering a wide...