Robert C. Winthrop -... en.wikipedia.org

1894 - Robert C. Winthrop,... digitalcommons.winthrop.edu...

Robert Charles Winthrop www.hymntime.com

Robert Charles Winthrop -... en.wikisource.org

Biographical Directory of... bioguideretro.congress.gov

MHS Collections Online:... www.masshist.org

Robert Winthrop (banker) -... en.wikipedia.org

Robert Charles Winthrop... www.findagrave.com

A memoir of Robert C.... www.loc.gov

Robert Charles Winthrop Jr.... www.wikidata.org

Robert Charles Winthrop Sr... www.wikitree.com

House Speaker Robert... christianheritagefellowship...

Robert Charles Winthrop,... www.loc.gov

Winthrop, Robert | ANTH |... anth.umd.edu

Winthrop University... digitalcommons.winthrop.edu...

Robert C. Winthrop -... www.wikiwand.com

800px- ... en.wikipedia.org

Winthrop, Robert Charles... digitalcollections.nypl.org...

House Speaker Robert... christianheritagefellowship...

Robert C. Winthrop -... www.wikiwand.com