15 Needlecraft Covers stitched by Georgiana Brown Harbeson from July 1931 through July 1935 (found on eBay)
     
July 1931
October 1931 (also appeared on the October 1934 cover,
but in different colors) This is my favorite GBH cover.
 
February 1932
  
April 1932
 
 
June 1932 (also appeared on the July 1935 cover
but in slightly different colors)
  
October 1932
 
December 1932
February 1933
 
 
April 1933 (Pocohantas)
  
July 1933 (Sacajawea)
 
 
October 1933 (Minnehaha)
  
March 1934
 
 
July 1934
 
October 1934 (also appeared on the October 1931 cover
in gold hues)
 
   
July 1935 (also appeared on the June 1932 cover
but in slightly different colors)