Census.
1856 and 1895 Poweshiek Census (files.usgwarchives.net/ia/poweshiek/census/)
other Censuses (iagenweb.org/census/poweshiek/)
CensusLinks (censuslinks.com)

Church.
Liberty Church (carthage.lib.il.us/community/churches/)

Genealogical Society.
Iowa Genealogical Society (iowagenealogy.org)

Gravestones.
Iowa Graves Survey (iowawpagraves.org)
State Association for the Preservation of Iowa Cemeteries (rootsweb.com/~iasapc)
Confederates Buried in Iowa (webspace at AOL shutdown, email: OzrkREB @ aol.com)
Cemeteries online (interment.net/us/index.htm)
Grave Finder (findagrave.com)

Historical Society.
State Historical Society of Iowa (iowahistory.org)
State Historical Society of Iowa-Archives (iowahistory.org/archives)

IAGenWeb.
Queries (iagenweb.org/boards/poweshiek/queries)
Obits (iagenweb.org/boards/poweshiek/obituaries)
Bios (iagenweb.org/boards/poweshiek/biographies)
Docs (iagenweb.org/boards/poweshiek/documents)
How to Transcribe Census (iagenweb.org/census/manual.htm)
Iowa in the Great War (1914-1919) (iagenweb.org/greatwar)
Gravestone Project (iowagravestones.org)
Iowa History Project (iagenweb.org/history)
Iowa in the Civil War (iagenweb.org/civilwar)

Mailing List.
Poweshiek County Mailing List:
Hosted by RootsWeb, this mailing list is for anyone with a genealogical interest in Poweshiek County, Iowa. To subscribe to regular email: send an email to IAPOWESH-L-request@rootsweb.com with the word subscribe in the body of the message.
To subscribe to digest email (one email a day, with all emails listed):
send an email to IAPOWESH-D-request@rootsweb.com with the word subscribe in the body of the message. Once subscribed, send email to: IAPOWESH-L@rootsweb.com

Miscellaneous.
Archive Research Catalog (archives.gov/research/arc)
Barrel of Genealogy Links (genealogytoday.com/barrel)
blank Census records (genealogy.com/00000061.html)
Cyndi's List (cyndislist.com/ia.htm)
University of Iowa Library Photos (digital.lib.uiowa.edu/)

Rootsweb.
Iowa Roots-L (rootsweb.com/roots-l/USA/ia.html)
History of Poweshiek County 1880 (rootsweb.com/%7Eiabiog/poweshiek/)
Grinnell College Directory (freepages.genealogy.rootsweb.com)
USGenWeb Census Project (rootsweb.ancestry.com/~census/)
USGenWeb Archives Church Rec. Proj. (rootsweb.ancestry.com/~usgenweb/churches/)
USGenWeb Iowa Archives (rootsweb.ancestry.com/~usgenweb/ia/iafiles.htm)

Vital Statistics.
Iowa Vital Records (vitalrec.com/ia.html)

Volunteer contributions.
Cemeteries
Cemetery Maps
Unmarked graves
Civil War Veterans A-E
Civil War Veterans F-K
Civil War Veterans L-R
Civil War Veterans S-Z
Land Patent Records
Marriages
Deaths 1880-92 (A-D)
Obituaries
Passports
History of Poweshiek County
Courthouse History
Grinnell Centennial Book Index
Local Libraries
Surnames of Poweshiek
Brooklyn Iowa graduates
Grinnell Masons
Towns Names
Deep River
Courthouse info for Poweshiek County
Poweshiek County 'LookUps'
Biographies
Maps of Poweshiek County
Poweshiek County Historical & Genealogical Society

USGenWeb.
Archives (usgwarchives.net)
War Pensions (usgwarchives.org/pensions)
Family Group Sheets (iagenweb.org/fgs)