- [S4] Unknown author, Locust Valley Leader, Location: Locust Valley, New York (n.p.: n.pub., unknown publish date).
- [S11] Unknown author, Italian Genealogical Group, Url: http://www.italiangen.org (n.p.: n.pub., unknown publish date).
- [S12] Unknown author, Early Van Dyke Pictures, Subject: Family Photographs, Present Owner: Evelyn Van Dyke (n.p.: n.pub., unknown publish date).
- [S98] Unknown author, Death Settlement Packet, Name Of Person: Various Names, File Number: Various File numbers (n.p.: n.pub., unknown publish date).
- [S214] Dorothy Weeks, E-Mail from Dorothy Weeks, Recipient: John Van Dyke, Address: e-mail address, Author E-mail: Dorothy Weeks (n.p.: 18 Sept 2009, unknown publish date).
- [S227] Unknown author, Foster's Daily Democrat: Obituary, Location: Dover, New Hampshire, Page: Online posting (n.p.: Varies, unknown publish date).
- [S235] Unknown author, Naturalization Record, Record Type: Naturalization Record, Subject: Naturalization Record, File Number: As entered in Citation Detail (n.p.: n.pub., unknown publish date).