Here’re links to some of the WordPress resources I’ve mentioned:

WordPress.org
https://wordpress.org/

WordPress.com
https://wordpress.com/

WordPress at Dartmouth:
https://sites.dartmouth.edu/

Dartmouth Library record: Lynda.com (tutorials)
http://libcat.dartmouth.edu/record=b5374084~S3

WordPress Tutorials:
https://www.lynda.com/WordPress-training-tutorials/330-0.html