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Technical Reports (Penn State University): Technical reports produced by faculty and researchers at the Penn State University Department of Computer Science and Engineering since 2009. Most available in PDF.
EECS Technical Reports (University of California): University of California Electrical Engineering and Computer Science (EECS) technical reports include the EECS Technical Report series (started in October 2005), the CS Technical Report series (from 1982 to 2005), and the ERL Technical report series (from 1984 to 2005, plus selected titles from before 1984). Full text is included for the EECS and CS series, but not for the ERL series, full text may be available on other web sites (such as the personal web pages of the authors).