1. J. Baumgartner,Order types of real numbers and other uncountable orderings, inOrdered Sets (I. Rival, ed.), D. Reidel, Dordrecht, 1982, pp. 239–277.
2. R. Bennett,Countable dense homogeneous spaces, Fund. Math.74 (1972), 189–194.
3. M. Foreman, M. Magidor and S. Shelah,Martin’s maximum, saturated ideals, and non-regular ultrafilters, Part 1, to appear.
4. B. Fitzpatrick and Zhou Hao-xuan,A note on countable dense homogeneity and the Baire property, to appear.
5. K. Kunen,Set Theory, North-Holland, Amsterdam, 1980.