Here are some recommended online hand lettering courses.
All Skillshare class links below are affiliate links.
Layouts for Lettering: Hierarchy, Composition, and Type Systems with Jon Contino:
Introduction to Lettering: One Letterform at a Time with Jessica Hische:
The Final Steps of Hand-Lettering: Adding Color, Texture, and Finishing Touches with Mary Kate McDevitt.
The First Steps of Hand-Lettering: Concept to Sketch - with Mary Kate McDevitt.
The Art of Modern Calligraphy skillshare class - with Molly Jacques.
Digitizing Hand Lettering: From Sketch to Vector - with Sean McCabe
Lettering: Learn to Draw Illustrative Words - with Neil Tasker
Logo Design: Let the Type Do the Talking - with Evan Huwa
Illustration and Lettering: A Hands-on Approach to Label Design - with Jon Contino
Learn the Ins and outs of Illustrator - with Brad Woodward
Hand-Drawn Typography 101: Create Your Own Font - with Kyle Steed