Andre, I'm not Les, but Potassium Bromide will do the job - with a Hydroquine based developer like the Agfa WA or a Metol/Hydroquinone developer like Dektol.Originally Posted by Andre R. de Avillez
However, the paper itself is often a very strong factor - it may not produce a good warm tone. The Arista EDU paper is made by Forte in Hungary and is supposed to be similar (or identical) to Forte Poly. You might ask Freestyle (the largest retailer of Arista EDU) what they recommend.
The B&H bromide is from Photographers Formulary:
Another excellent supplier is Artcraft: http://www.artcraftchemicals.com/