I recall two different 38 foot Seafarers, one built in Holland for Seafarer and the other in Huntington, New York. If I remember right the Dutch built boat was a Phillip Rhodes design and the other was a design of McCurdy and Rhodes. Phillip Rhodes is deceased but I believe that some of his work is in the Hart Maritime collection at M.I.T. and the bulk of the rest is at Mystic Seaport. McCurdy and Rhodes is still in pactice and you should be able to reach them at
McCurdyRhodes@aol.com
Good Luck,
Jeff