The forcibly-tree and forcibly-unicyclic degree sequences. F. Harary; G. Exoo — 1982 Elemente der Mathematik
Class reconstruction numbers of unicyclic graphs F. Harary; M. Plantholt — 1988 Applicationes Mathematicae
On the reconstruction of countable forests. F. Harary; A.J. Schwenk; R.L. Scott — 1972 Publications de l'Institut Mathématique [Elektronische Ressource]
A Maximal Toroidal Graph which is not a Triangulation. F. Harary; P.C. Kainen; A.J. Schwenk — 1973 Mathematica Scandinavica
The crossing numbers of some generalized Petersen graphs. F. Harary; G. Exoo; J. Kabell — 1981 Mathematica Scandinavica