Perfect matchings in hexagonal systems. - Horst Sachs (Comb., 1984)

On colour critical graphs. - Horst Sachs (FCT, 1985)

An historical note: Euler's Königsberg letters. - Horst Sachs; Michael Stiebitz; Robin J. Wilson (J. Graph Theory, 1988)

On constructive methods in the theory of colour-critical graphs. - Horst Sachs; Michael Stiebitz (Discret. Math., 1989)

How to calculate the number of perfect matchings in finite sections of certain infinite plane graphs. - Horst Sachs (Discret. Math., 1992)

A contribution to the theory of Tutte's V - and W -function. - Tao Wang; Horst Sachs (Discret. Math., 1992)

Monotone Path Systems in Simple Regions. - Kathie Cameron; Horst Sachs (Comb., 1994)

Remark on the Dimer Problem. - Horst Sachs; Holger Zernitz (Discret. Appl. Math., 1994)

Coin graphs, Polyhedra, and conformal mapping. - Horst Sachs (Discret. Math., 1994)

Graph Theoretical Means for Calculating Kekule and Hueckel Parameters in Benzenoid and Related Systems. - Horst Sachs (J. Chem. Inf. Comput. Sci., 1994)

Finding a Kekule Structure in a Benzenoid System in Linear Time. - Pierre Hansen; Brigitte Jaumard; Horst Sachs; Maolin Zheng (J. Chem. Inf. Comput. Sci., 1995)

Kekule patterns and Clar patterns in bipartite plane graphs. - Peter E. John; Horst Sachs; Maolin Zheng (J. Chem. Inf. Comput. Sci., 1995)

Graph theory in organic chemistry: problems and methods in the chemistry of carbon footballs and tubes (fullerenes). - Horst Sachs (Discret. Math., 1997)

(3-6)-cages, hexagonal toroidal cages, and their spectra. - Patrick W. Fowler; Peter E. John; Horst Sachs (Discrete Mathematical Chemistry, 1998)

Preface. - Horst Sachs (Discret. Math., 1998)

On a strange observation in the theory of the dimer problem. - Peter E. John; Horst Sachs (Discret. Math., 2000)

Berge's theorem for the maximum charge problem. - Ramesh Krishnamurti; Daya Ram Gaur; Subir Kumar Ghosh; Horst Sachs (Discret. Optim., 2006)

Spectra of toroidal graphs. - Peter E. John; Horst Sachs (Discret. Math., 2009)