1. Herstellung von Graphen mit vorgegebener abstrakter Gruppe;Frucht;Compositio Math.,1938
2. Graphs of degree 3 with given abstract group;Frucht;Can. J. Math.,1949
3. On the groups of repeated graphs;Frucht;Bull. Am. Math. Soc.,1949
4. The least number of edges for graphs having automorphism group of order three;Frucht,1971
5. El número ḿinimo de líneas para grafos conexos con grupo de automorfismos de orden 3;Frucht;Scientia,1973