Dave Johnson has a web site here.
Dave Johnson Wonder Woman redesign
Dave Johnson - Online Web Site
Detective Comics #39 - Harley Quinn
Cover Art by Dave Johnson
Dave Johnson Batgirl cover - Batman '66 #5
Batgirl and Sandman on the cover, Batman '66 #5, January 2014. Variant cover art.
Dave Johnson and Andrew Robinson: Superman Red Son
Wonder Woman pages from the new collection of the 2003 Mark Miller/Dave Johnson/Andrew Robinson counter-epic Superman Red Son.
Dave Johnson Uncle Sam Covers #2 & #4
Original Page Feb 2016
Wolverine: Old Man Logan - Amazon