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My most recent "find" was when reading the seventh edition of a constitutional history classic, The American Constitution: Its Origins and Development (Alfred Kelly and Winfred Harbison, revised by Herman Belz). The bibliography is over 80 pages and proceeds chronologically, with useful topical subheadings (e.g., "Judicial Power and Constitutional Law in the Marshall Era," "Civil Liberties and Modern Constitutionalism"). Readers, have you come across any other good ones lately?
As a side note, I think that an annotated bibliography is a great assignment for graduate students. When tasked with creating one my first semester of graduate school, I was completely befuddled (and I'm sure my final product showed it), but I learned a lot in the process.
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