1. Neuer Beweis einer Tutte'schen Satzes;Gallai;Magyar Tud. Akad. Mat. Kutató Int. Közl.,1963
2. On representatives of subsets;Hall;J. London Math. Soc.,1934
3. A note on Tutte's paper;Maunsell;J. London Math. Soc.,1952
4. The factorisation of linear graphs;Tutte;J. London Math. Soc.,1947