During these years he published Compound matrices, Application of relaxation methods to compressible flow past a double wedge (written jointly with A R Mitchell), On the theory of relaxation (written jointly with A R Mitchell), and Some continuant determinants arising in physics and chemistry II.
Sa panahon ng mga taon na siya nai-publish na tambalan matrices, Application relaxation ng mga pamamaraan upang napipiga daloy ng nakaraang isang double kalang (nakasulat na sama-sama sa AR Mitchell), Sa teorya ng relaxation (nakasulat na sama-sama sa AR Mitchell), at ilang mga continuant determinants na nagmula sa pisika at kimika II .