The founders of reformational philosophy, H. Dooyeweerd and D.H.Th. Vollenhoven, each published in short succession, viz. 1949 and 1950, a voluminous study in the history of philosophy. Whoever reads both works is struck by the remarkable differences in treatment. In this contribution these differences are analysed, but there is also indication of agreement. The article ends with a number of conclusions based on the analysis.