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1by Schultz, Charles R.Subjects: “...Merchant marine History Periodicals Indexes....”
Published 1974
Available freely at TAMU Sea Grant Texas Site
Book -
2by Schultz, Charles R.Subjects: “...Merchant marine History Bibliography....”
Published 1976
Available freely at NOAA Site
Book -
3by Schultz, Charles R.Subjects: “...Merchant marine History Bibliography....”
Published 1979
Available freely at NOAA Site
Book