Frederik Kortlandt (Frederik KORTLANDT / Kortlandt, Frederik / KORTLANDT, Frederik)

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  Festschrift for Eric P. Hamp
  by William R. Schmalstieg, Calvert Watkins, T.L. Markey, Edgar C Polome, Kazuhiko Yoshida, Jared S. Klein, Alan J. Nussbaum, Frederik Kortlandt, Craig Melchert, Helmut Rix, Karl H. Schmidt, Don Ringe, Mary Niepoluj, Joseph Salmons
  Softcover, Inst for the Study of Man, ISBN 0941694623 (0-941694-62-3)
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  Italo-Celtic Origins and Prehistoric Development of the Irish Language
  by Frederik Kortlandt
  Hardcover, Rodopi Bv Editions, ISBN 9042021772 (90-420-2177-2)