With wig and cap she looks a fright
and in disguise must spend the night.
She must lie low and out of sight
as Phoebe's contract's good and tight
when not on the road of Anthracite.

Isn't that Nellie Oleson? Is she on her honeymoon? Where is Percival?

Compare her setting to that of the average modern day Amtrak sleeper car. It seems for everything that has progressed in 100 years, something has regressed. Including the rail travel experience.

I inherited two such night caps. Both are very pretty, really, one made of light pink satin and the other pale blue satin. One has ribbon roses and tiny apples made from silk fabric. The blue one is rather plain, with just white lace trim. They belonged to my husband's grandmother ( https://www.shorpy.com/node/7764 ) and would have been worn into the early 1920s. They may well have been her mother's before they belonged to her.

My mother-in-law just had them draped over a lamp on the dresser as decoration.

I reckon the bonnet comes off, given a trifle of effort.

In '77 or '78 my wife and I rode from Oakland to Orem on the California Zephyr, just for the experience (Utah was as far as we could go and get back to California in time for work on Monday). Berths aren't private enough, but compartments on a moving train, with solid doors and curtains over the windows, are quite conducive to, er, bonnet removal.

Is probably the best birth control device ever conceived

The Green Book Magazine
Total Issues: 151

Began as a standard-size magazine devoted to the theatre, but in its final year or two seems to have turned into a fiction pulp.

Issues & Index Sources
Jan-1909 – Jun-1912, as The Green Book Album
Jul-1912 – Jul-1921, as The Green Book Magazine