| 233 | -- | 243 | H. L. Abbott, D. R. Hare. Sparse color-critical hypergraphs |
| 245 | -- | 253 | Paul Erdös, András Gyárfás, Edward T. Ordman, Yechezkel Zalcstein. The size of chordal, interval and threshold subgraphs |
| 255 | -- | 260 | A. V. Ivanov. Non rank 3 strongly regular graphs with the 5-vertex condition |
| 261 | -- | 267 | Heinz Adolf Jung, Mark E. Watkins. The connectivities of locally finite primitive graphs |
| 269 | -- | 287 | David Lichtenstein, Nathan Linial, Michael E. Saks. Some extremal problems arising form discrete control processes |
| 289 | -- | 313 | David Peleg, Eli Upfal. Constructng disjoint paths on expander graphs |
| 315 | -- | 320 | Lajos Rónyai, Tamás Szonyi. Planar functions over finite fields |