Gents and Madams,
Loading originally designed Black Powder Cartridge Cases with SMOKELESS powder is being well covered for the more popular calibers via currently available loading manuals.
Reviewing the most current editions of existing load manuals in my Library causes the following examples:
Barnes #3, .45-70 in Trapdoor and Marlin 1895 with jacketed bullets only.
Hodgdon #27, .38-55, .44-40 and .45-70.
Hornady sixth edition, .25-20, .25-35, .32-20, .38-55, .405 Win, .44-40 and .45-70.
Lapua, 1st edtion, nothing found.
LEE Second Edition, .32-20, .38-55, .38-40, .40-65, .44-40, .43 Spanish and .45-70.
Lyman #48, .32-20, .40-65, .40-70 Straight, .44-40, .45-70, .45-90, .45-100, .45-110 and .45-120.
Lyman Cast Bullet Handbook, third edition, .32-20, .32-40, .38-40, .38-55, .44-40, .45-70, .50-70, .50-90 Sharps and .50-140 Sharps.
NOBEL VECTAN, .32-20, .32-40, .38-40, .44-40 and .45-70.
Nosler fifth edition, .45-70 jacketed bullets only.
Sierra #V, .45-70 jacketed bullets only.
Speer #13, .32-20, .38-40, .44-40 and .45-70.
VihtaVuori, 2nd edition, .25-20, .25-35 and .45-70.
From all outward appearances there are plenty of SMOKELESS powder references for both lead and jacketed bullets readily avialable. Most of these companies represented also have websites with available information that aligns with what is available in printed mauals.
IMO, anyone who does not own at least one reloading manual and chooses to find their reload data on the Internet may need to reassess the information being received and revisit their budget to find some room for inclusion of much needed reference material.