Size Ramsey results for paths versus stars. - Roland Lortz; Ingrid Mengersen (Australas. J Comb., 1998)

Off-diagonal and asymptotic results on the Ramsey number r(K2, m, K2, n). - Roland Lortz; Ingrid Mengersen (J. Graph Theory, 2003)

Further Ramsey Numbers for Small Complete Bipartite Graphs. - Roland Lortz; Ingrid Mengersen (Ars Comb., 2006)

A note on the Ramsey number of K2, 2 versus K3, n. - Roland Lortz (Discret. Math., 2006)

Ramsey numbers for small graphs versus small disconnected graphs. - Roland Lortz; Ingrid Mengersen (Australas. J Comb., 2011)

On the Ramsey number for stars versus connected graphs of order six. - Roland Lortz; Ingrid Mengersen (Australas. J Comb., 2019)

All missing Ramsey numbers for trees versus the four-page book. - Roland Lortz; Ingrid Mengersen (Electron. J. Graph Theory Appl., 2021)

Size Ramsey Results for the Path of Order Three. - Roland Lortz; Ingrid Mengersen (Graphs Comb., 2021)

On the Ramsey numbers of non-star trees versus connected graphs of order six. - Roland Lortz; Ingrid Mengersen (Discuss. Math. Graph Theory, 2023)