5Brogaard, Berit and Joe Salerno 2008. "Counterfactuals and Context." Analysis 68: 39-46. Cross, Charles B. 2011. "Comparative World Similarity and What Is Held Fixed in Counterfactuals." Analysis 71: 91-96.
6Gauker, Christopher. 2005. Conditionals in Contexts. Cambridge, MA: MIT Press.
7Harper, WL., R. Stalnaker, and G. Pearce, eds. 1981. Ifs: Conditionals, Belief, Decision, Chance and Time. Dordrecht: D. Reidel.
8Heim, Irene and Angelika Kratzer. 1998. Semantics in Generative Grammar. Oxford: Blackwell Publishers.
9Ichikawa, Jonathan 2011. "Quantifiers, Knowledge, and Counterfactuals." Philosophy and Phenomenological Research 82.2: 287-313.
10Lewis, David. 1973a. "Counterfactuals and Comparative Possibility." Reprinted in Harper,.