Ok. I'm having trouble locating a copy of The Glass Key (1942) but that's not what I'm asking about. I just haven't seen it, so I can't get the information I seek myself.
Anyone familiar with Akira Kurosawa's Yojimbo has most likely also seen Sergio Leone's A Fistful of Dollars. Whether you watched them because they are the same story, or you found that out afterwards... or you just liked them independently, you would have noticed that although they are the same story, there are details that are different between them. Now, Walter Hill directed a Bruce Willis film called Last Man Standing, which is also the same story as those other two. There are specific nods to both previous versions. Nods such as...
Bruce stops and spins a bottle when he hits a fork in the road, to determine which way he is going to go. This is a variant on how Toshiro Mifune throws a stick in the air to decide which way he is going to go when he hits a fork in the road in the beginning of Yojimbo. Clint Eastwood faces no random chance/indecision and performs no action to choose the way he is going to go before he gets to the town where all the action happens. So, the Nod is in Last Man Standing, to Yojimbo.
Bruce faces thugs when he arrives who assault his car. Clint Eastwood faces thugs who harass his mule. In Yojimbo, Toshiro Mifune is on foot, so the Nod is from Last Man Standing, to Fist Full of Dollars.
After being captured, Clint is assisted in his escape by being hauled off in a coffin. In Yojimbo, Toshiro escapes the same way at the same point in the story. Bruce however, is taken away in a car. So this Nod is in Fist Full of Dollars, to Yojimbo.
I've never seen The Glass Key, but all three of these movies are based on it. One of the differences between it and all the others though, is that Alan Ladd who plays the character playing both sides against each other, is actually loyal to Brian Donlevy... while in the later three films, the protagonist is loyal to neither side. Akira Kurosawa supposedly introduced this change on purpose.
Here's my question. Are there specific nods in any of the three subsequent films to the original, The Glass Key? They could be small or large, but they would be details you could connect back to the original.