The Veste Oberhaus is an ancient fortress, dating from 1219. It now houses attractions such as museums, an art gallery, historical collections, and a permanent exhibition of Passau porcelain.
Passau's porcelain factory operated from 1833-1936 and at its peak employed about 500 people, making everything from figurines and tableware to refractory cement. The collection holds mainly 19th Century filigree art pieces, with several shown online.
http://www.oberhausmuseum.de/    In German.

This "Fine Art Studio" specializes in fired arts and teaches porcelain dollmaking and china painting. Online galleries include china painting.
http://shirleyheyn.com/   

'The most comprehensive collection of 18th- and 19th-century Russian imperial art outside of Russia.' See highlights of the porcelain collection online (especially Sèvres and Russian Imperial ware); Museum visitors must book in advance.
http://www.hillwoodmuseum.org/   

Kronberger House, part of the Museum, has the world's largest assembly of Hoescht porcelain. Check exhibition listings for brief details of early Hoescht pieces; the famous Bechtold collection; and the former Hoescht AG collection.
https://www.historisches-museum-frankfurt.de/https://www.historisches-museum-frankfurt.de/    In English & German.

A large retailer and wholesaler of art and hobby supplies including whiteware, brushes and books, accessories and kilns.
"Bak HOBBYKUNST Norge staar firma Max Kopp Design AS."
http://www.hobbykunst-norge.no/    In Norwegian.

Hobbyceram International School of Decorative Arts is a large school with branches in Italy and overseas. They also make kilns and sell supplies including books and Sonie Ames studies; brushes; whiteware; and paints (with lead-free Schjerning, overglaze watercolours and pencils).
http://www.hobbyceram.com/    In English & Italian.

This 'second oldest' porcelain manufacturer in Germany re-opened in 1971. Many items are made by hand; all are hand painted. Products include giftware, figurines, reproductions and tableware; read how high firing makes wares 'dishwasher safe.' Join the collectors' club, or visit in person factory sales; exhibitions; and guided tours. Don't miss the outstanding Hoechster collection at the nearby museum.
http://www.hoechster-porzellan.de/    In English & German.

The Hofburg, winter residence of the Habsburgs, today holds three museums: the Imperial Apartments, the Sisi Museum and the Imperial Silver Collection. The latter is the world's largest exhibition of imperial household items, ranging from table silver, centrepieces and fine porcelain to linen and cooking utensils. View the tour information under 'Things to know' for a brief description of some of its porcelain treasures by Meissen, Minton, Sèvres, etc.
The Spanish Riding School, famous for its Lipizzaner stallions, is also within the Hofburg complex.
http://www.hofburg-wien.at/    In various languages.

Useful articles, including photo tips, compiled by a "jewelry artist".
http://www.home-jewelry-business-success-tips.com/   

About the HKPPC, its activities and publications; includes a members' gallery.
http://www.hongkongporcelainpaintingclub.org/