So what other info is it exactly that you are looking for?
If you're looking to put front and rear bars on your first gen you have three options that I'm aware of.
First go look at first gens in the junkyard and see if you can find a front bar, it has to be from a first gen because of a variation in the beams for the 92 model year. Most likely the beam will attach to the radius arm behind the shock mount (same place as an aftermarket bar) and cross under the radius arm cross member. I looked and couldn't find one, don't know if they exist or not. For the rear bar, go look at any Ranger or Bronco II, anything from 83-2011 will fit. I got a 90s BII 1" rear bar from the junkyard and installed on my 84 (soon to be installed on the 86).
Second is to shop around and buy an aftermarket bar. As I stated in my previous reply I know Summit Racing sells them, and I think J.C.Whitney does as well. They are available for both front and rear, in a few different sizes. Front might have to be specific to the 83-88 model year (they will say in the listing). Rear is same as factory bars, anything from 83-2011 will fit. I have a 1 1/4" after market bar on the front of my 84 (once again soon to be installed on the 86), I know I bought it as Summit don't remember the brand.
Your third option is to install newer beams. The same beams were used from 89 to 97 and they can be installed on the 83-88 Rangers, you'll have to look for more information on that though. I've done it, but not going to post the information because it's been posted numerous times and you can search for it. These newer beams will have a lot more sway bars available in the junkyard, as well as a larger variety of aftermarket sway bars available. I will say that by the time you buy the parts to swap out the beams just for this reason, you'd probably be cheaper to just spend the money on aftermarket bars.
Interchangability you should have already figured that out from this and my previous posts but here goes.
Front bars:
83-88 are interchangable,
89-97 are interchangable
98-2011 are interchangable
Bars can be swapped between BIIs, Explorers, and Rangers of the same year range. The exception is possibly the 96+ Explorers, I believe that is when they went to the SLA suspension and wider frame. The SLA Explorers will only interchange with SLA Rangers.
Rear:
83-2011 will interchange
Bars can be swapped between BIIs, Ranger and Explorers (at least up to SLA models). The exception here is once again the SLA Explorers. The bars will physically fit to the other axles, but due to the wider frame with on the Explorer the end links may not work.
As for sizes, I don't think anybody here has a list of all sizes available. Nobody is going to go out of their way to make a list for you, and I'd be surprised if many would go out and measure their bars to find out. I gave you the sizes of the ones I have above. If you want anything more than what's been posted so far, you'll probably have to do a little of your own leg work.