P. J. Heawood

The Classification of Rational Appoximations

P. J. Heawood, 2022 .

Map-Colour Theorem

P. J. Heawood, 1949 .

An Introduction to the Mathematics of Map Projections

P. J. Heawood, R. K. Melluish, 1932 .

The Four Color Problem

P. J. Heawood, Philip Franklin, P. Franklin, 1922 .

Note on a Correction in a Paper on Map-Congruences

P. J. Heawood, 1944 .

The Time of the Last Supper

P. J. Heawood, 1951 .