On shipwrecks in literature, by George P. Landow, Professor of English and Art History Emeritus, Brown University:

http://www.victorianweb.org/art/crisis/crisis1f.html

http://www.victorianweb.org/art/crisis/crisis2b.html

On South Seas Voyaging Accounts, from the National Library of Australia:

http://southseas.nla.gov.au/index.html

http://southseas.nla.gov.au/index_voyaging.html

On Nahman of Bratslav

http://www.yivoencyclopedia.org/article.aspx/Nahman_of_Bratslav

http://www.yivoencyclopedia.org/article.aspx/Natan_Sternhartz_of_Nemirov

On Mendel Lefin

http://www.yivoencyclopedia.org/article.aspx/Lefin_Menahem_Mendel

https://secure.aidcvt.com/sbl/ProdDetails.asp?ID=140336P&PG=7&Type=BL&PCS=SBL

Articles by Nancy Sinkoff

Sinkoff, Sefer Heshbon Ha-Nefesh

Sinkoff, Benjamin Franklin in Jewish Eastern Europe