1.
LeCocq, Pasma, and Vis at Hope College
2.
3.
4.
Pocket Sized Psalm Book
Ralph and Friends at Hope College, n.d.
Poems by Frank LeCocq, Jr., n.d.
A Sketch of Dutch Medical History up to the Nineteenth Century, n.d.
Letter from Ralph B. LeCocq to Nelson Nieuwenhuis, December 11, 1970
Letter from Ralph B. LeCocq to Nelson Nieuwenhuis, December 23, 1970
Letter from Rhoda P. LeCocq to Nelson Nieuwenhuis, December 3, 1984
Short Story "A Surprise", December 1907
Introduction to the Pieter Teyler van der Hulst file