I have found copies of all 13 issues of "Crime Classics" reprints of The Shadow newspaper strip. They contain the first 9 strips (stories/comics?) out of the 14 that were printed. These are the strips that got reprinted in the "Crime Classics" Download them here

1. Mystery of the Sealed Box (June 17 - Aug 10, 1940)

2. The Shadow in His Sanctum (Aug 12 - Sept 21, 1940)

Reprinted as The Mystery of the Sleeping Gas

3. The Shadow vs. Hoang Hu (Sept 23 - Nov 2, 1940)

4. The Shadow on Shark Island (Nov 4, 1940 - Jan 25, 1941)

5. The Shadow vs. the Bund (Jan 27 - April 19, 1941)

6. The Shadow vs. Shiwan Khan (April 21 - July 26, 1941)

7. The Darvin Fortune (July 28 - Oct 11, 1941)

Reprinted as The Shadow vs. the Swindlers

8. The Adele Varne Mystery (Oct 13 - Nov 22, 1941)

Reprinted as Crime Over Long Island

9. The Shadow and Professor Scorpio (Nov 24 - Dec 13, 1941)

Reprinted as Crime at Lake Calada