Digital library
Textbooks, references and open learning resources.

External
The Tongue and Quill
US Air Force · LibreTexts
In the contents: 14.7: Spelling Checkers: Before You Sign

External
Online Technical Writing
David McMurrey · Austin Community College
In the contents: 4.11: Common spelling problems

External
Fundamentos de la lectura e interpretación
Katherine Karr-Cornejo · Whitworth University
In the contents: 6.01: Alphabet Spelling Written Accent Capitalization

External
Integrated Reading and Writing
Sravani Banerjee, Elizabeth Eckford, Nicholas Goodwin, Robin Hahn, and Binh Vo · Evergreen Valley College
In the contents: 9.2.04: Spelling · 10.5.02: Spelling

External
ESOL Advanced Grammar
Allyson Marceau · San Jacinto College
In the contents: 10.05: Spelling-Adding -s or-es (Plural Nouns and Simple Present Tense) · 10.06: Spelling Rules for Adding -ing and -ed

External
1st-year College English Intensive for Multilingual Students
Kelly Kadi · Diablo Valley College
In the contents: 10.23: Spelling

External
ESOL Intermediate Grammar
Allyson Marceau · San Jacinto College
In the contents: 1.1.04: Simple Present Spelling · 9.02: Spelling-Adding -s or-es (Plural Nouns and Simple Present Tense) · 9.03: Spelling Rules for Adding -ing and -ed (Past Tense Ending)

External
Grammar Essentials
Excelsior Online Writing Lab · Excelsior College
In the contents: 3.05: Spelling

External
Cultivating Possibilities through Literacy
Kathryn Hastings & Megan Trexler · Delaware County Community College
In the contents: 5.02: Spelling System- Logical or Crazy and Chaotic

External
ENG 102 Textbook
Shellena Smith · Southcentral KY Community & Technical College
In the contents: 15.4.05: Spelling

External
Business English for Success
Anonymous · LibreTexts
In the contents: 3.02: Spelling

External
Jane Good - Elementary- Curation 4th Grade-Reading-and-Writing-Trimester-1.imscc
LibreTexts
In the contents: 01: Please Check Your Spelling!

External
Open Technical Communication
Tiffani Reardon, Tammy Powell, Jonathan Arnett, Monique Logan, & Cassie Race · Kennesaw State University
In the contents: 5.09: Common Spelling Problems