1. Aronov, B., Erdős, P., Goddard, W., Kleitman, D.J., Klugerman, M., Pach, J., Schulman, L.J.: Crossing families. Combinatorica 14(2), 127–134 (1994)
2. Balko, M., Král, K.: Ramsey numbers of ordered graphs. http://arxiv.org/abs/1310.7208 (2013)
3. Barát, J., Hajnal, P., Lin, Y., Yang, A.: On the structure of graphs with path-width at most two. Stud. Sci. Math. Hung 49(2), 211–222 (2012)
4. Biró, C., Keller, M.T., Young, S.J.: Posets with cover graph of pathwidth two have bounded dimension. http://arxiv.org/abs/1308.4877 (2013)
5. Chen, G.T., Schelp, R.H.: Graphs with linearly bounded Ramsey numbers. J. Comb. Theory Ser. B 57(1), 138–149 (1993)