He wrote two major volumes Differential geometry of three dimensions (1927, 1930) as well as nearly 30 papers on this topic. Hodge, reviewing the second volume, wrote:
Siya wrote dalawang malaking volume na kaugalian geometry ng tatlong sukat (1927, 1930), pati na rin ang halos 30 na mga papeles sa paksang ito. Hodge, suriin ang pangalawang dami, wrote: