Find a book from which you would like a lookup and click on the submitter's code at the end of the entry. Once you find the contact information for the submitter, write them a polite request for a lookup. The latest version contains English, French, Norwegian, Danish, Swedish, German, Dutch, Polish, Icelandic, Russian, Slovak, Afrikaans, Czech. A book by Odd S. Lovoll. The sites found in this category vary in content.
Some sites have extractions or transcriptions of actual records.
Other sites have helpful lists, articles, tips or guidelines. In a few cases there are scanned images of the original source documents themselves, with more of these types of records coming online each day. Ship descriptions and pictures. Descriptions of voyages. Some passenger lists.