I am using several online resources for this project:
ELLIS ISLAND RECORDS
https://www.libertyellisfoundation.org
SWEDISH CHURCH RECORDS, and other Swedish public records (free) https://sok.riksarkivet.se/digitala-forskarsalen
US CENSUSES AND OTHER US RECORDS
Ancestry: http://ancestry.com/
My Heritage: https://www.myheritage.com/
Family Search: https://www.familysearch.org
RESOURCES FOR DNA ANALYSIS AND RESEARCH
Ancestry DNA: https://www.ancestry.com/dna/
Family Tree DNA (FTDNA): https://www.familytreedna.com
Gedmatch: https://www.gedmatch.com/
My Heritage: https://www.myheritage.com
FACEBOOK GROUPS
Swedish American research: https://www.facebook.com/groups/239433885078/
Swedish research: https://www.facebook.com/groups/sforsknig/
Swedish Culture and Traditions (primarily for Americans of Swedish descent): https://www.facebook.com/groups/204099576755157/
ADDITIONAL SOURCES are listed in the blogposts themselves, often as hyperlinks.