I should have some cuttings for sale again this Fall as well from the White Madeira #1. It's a healthy plant but not a rampant grower like some varieties thus I won't have a huge number of cuttings. In addition to the sale to Harvey, I've traded and given this variety away to a few other growers so there are some others who have it now. Mine has a good crop on and I'll post on them once they ripen.
Dave, I had not heard anything about the relationship between WM #1 and CdDB but I have grown the UCD CdDB and WM#1 and they are not the same. For one, thing WM#1 ripens earlier. It seems like Tam did post something about a CdDB tree growing in ground (as well as others including WM#1) so maybe that's where the confusion arises.
Brandon, I believe Herman2 once mentioned in a thread that he thought Adriatic JH might be a "white" fig that comes from Madeira given its similarity in leaf shape to Black Madeira. But I think that was speculation. Maybe he can weigh in here to clarify.
Another complication is that I think Tam posted on (or at least mentioned) one or two other White Madeira figs in addition to WM#1, hence the numbering system. But it was WM#1 that he showed the most photos of in that very long thread.