|Chekov family - Anton in white jacket|
What about Internet posting? As we mentioned in another recent entry, posting material on the Internet is generally considered to be a publication, assuming there is a means of reproducing or downloading the material.
P.S. Dept. A minor correction in your question ... to qualify as PD, a work must be published (not created) before 1923. For more help, check that helpful PD chart, we cited above.
P.P.S. Dept. We hope you don't mind that we cut your question in half. We are followers of FDR's maxim, “Be sincere. Be brief. Be seated.”