A duplicate of the ensemble on the left was donated by Geoffrey Beene to the Metropolitan Museum of Art in New York in 2001. The accession number to that dress is 2001.393.77a, b. 

The ensemble on the right features in a photograph by Jack Deutsch on page 175 of the 2005 book 'Beene by Beene. 

The First: Multi-patterned dress and vest with flora emboridery on vest front.
Label: Geoffrey Beene
Retail label: $7,270
Inventory No.: 1125

The Second: Sleeveless dress of black reemboridered lace and net worn with a vest of blue silk taffefta and black lace.
Label: Geoffrey Beene
Inventory No.: 1980

The Third: Dress with vest of ivory lace trimmed with gray and white shirting fabric with floral aplique. 
Label: Geoffrey Beene New York
Inventory No.: 1130

The First:
Approximate Flat Measurements Across Front:
Dress:
Chest: 17"
Waist: 15"
Hip: 22"
Shoulders: 16"
Length (underarm to hem): 31"
Sleeve (shoulder to cuff): 23"

Approximate Flat Measurements Across Front:
Vest:
Chest: 17"
Waist: 16.5"
Shoulders: 10"
Length (underarm to hem): 6.5"
  
The Second:
Approximate Flat Measurements Across Front:
Dress:
Chest: 15.5" 
Waist: 12"
Hip: 20"
Shoulders: 18"
Length (underarm to hem): 26"

Measurements Across Front:
Vest:
Chest: 17.5" 
Waist: 18"
Shoulders: 11"
Length (underarm to hem): 8.5"
  
The Third:
Approximate Flat Measurements Across Front:
Dress
Chest: 15.5"
Waist: 14.5"
Hip: 25"
Shoulders: 17"
Length (underarm to hem): 32"
Sleeve (shoulder to cuff): 21"

Approximate Flat Measurements Across Front:
Vest:
Chest: 18"
Waist: 17.5"
Shoulders: 10"
Length (underarm to hem): 6.5"