Ilse Feller/Eberhard Fritz: Württemberg zur Königszeit. Die Fotografien des Herzogs Philipp von Württemberg (1838-1917), Stuttgart 1990 is a good book in which you can find many photos of the family.
A photo of Marie Therese- [http://de.wikipedia.org/wiki/Bild:Maritheresaustria.jpg]
I found this out about Marie Amelie (1865-1883) of Württemberg and Marie Elisabeth (1899-1900). During the period when Marie Amelie died there was a smallpox epidemic in the area. So I found a hint in one book that she maybe died of smallpox.
Marie Elisabeth died of fever. There is nothing more said in my antique book about it, only that she suffered from an inflammation of the middle-ear one week before she died. These illnesses were very common in those times and even my Great- Grandmothers firstborn son died of it.
Marie Amelie (1897-1923) died in labour (is the term correct?). That s all I know, but I search for a photo of Wilhelmine.
I m looking for information and photos on Nadejda (1899-1958) of Württemberg. Mainly photos. She was the wife of Albrecht, Count of Württemberg.