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- [S175] Ric Tobin to Linda Coate Dudick E-mail letter dated Aug. 3, 1996 at RicTobin@aol.com In Linda Coate files (CL-327).
- [S780] Robinson, Dierdre, Kaeling, BIrkel, Kellar, Morrissey, Anderson, Butler, Woodward, Rutter, Mayberry---MD, NJ (Sources "Mareen Duvall of Middle Plantation" by Harry Wright Newman, c.1952, reprinted 2000 by Carl P. Brown, Pittsfield, MA).
- [S2476] Leaverton, Mrs. Laura Olive Tobin, DAR Lineage Book 113 (#112012).
- [S682] Hollis, Susianne, S. Hollis to L. Dudick Email letters dated 1999 + at shollis57@hotmail.com.
- [S1400] Manuel, Janet Thompson, Marriage Licenses, Montgomery Co., Maryland, 1798-1898 (Silver Spring, Maryland: Family Line Publications, c1987).
- [S817] World Family Tree at www.ancestry.com.
- [S230] Ancestry.com, North America, Family Histories, 1500-2000, (Name: Ancestry.com Operations, Inc. Date:2016 Place:Provo, UT, USA;), 1,61157::0.
- [S185] Ancestry.com, North America, Family Histories, 1500-2000, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2016;), Book Title: Lineage Book : NSDAR : Volume 113 : 1914.
- [S781] Newman, Harry Wright, Mareen Duvall of Middle Plantation (c1952, reprinted in 2000).
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