Her works can be found at:

The majority of works were probably lost in 1938.
It is likely that a small remnant of her work can be found in private collections today.
   
  Currently known signatures:  
 
Examples of Artworks:

  "Portrait of a
Woman”,
before 1918, oil
 
   
  "The Young John”,
before 1919, oil
 
   
  "Lamentation”,
before 1919, oil
 
   
  "Presentation in
the Temple”
(also termed
"Holy Family”),
c. 1918, sign.
upper left: "KZ”,
oil on canvas,
42 x 52 cm
 
   
 

"Presentation in
the Temple”
(also termed
"Holy Family”),
c. 1918, sign.
upper left: "KZ”,
oil on canvas,
(detail).

 
   
  "Madonna”,
sign. lower right:
"KZ”, oil
 
   
  "Christ on the
Mount of Olives”,
c. 1920, oil