Article (misc)  (1954)  Page(s) 40.  
 
Mrs. John Laing 28 chromosomes

Book  (1953)  Page(s) 66.  
 
Mrs. John Laing - 28

Magazine  (Jun 1950)  Page(s) 2. trimester, p. 42.  
 
Etoile de Hollande, Rouge Mallerin, Hazanlick, Mrs John Laing, Château de Clos Vougeot, ont le vieux parfum des Damas.

Article (misc)  (1950)  Page(s) 92.  
 
[the author was writing about how some roses deteriorate with age...] Why is it I cannot grow 'Mrs. John Laing' as I grew it 50 years ago? Yes, 50 years ago I could cut 100 perfect blooms from 100 plants; today I cannot cut even one flower that would bear comparison. With monotonous regularity, 'Mrs. John Laing' won medals as the premier bloom at shows...

Book  (1948)  Page(s) pp. 112.  Includes photo(s).
 
Mrs. John Laing. Hybrid Perpetual

Website/Catalog  (1946)  Page(s) 26.  
 
Rosiers Hybrides Remontants formant hauts buissons ....
MISTRESS JOHN LAING (Bennett 1887). Fleur rose satiné très frais, grande, pleine.

Book  (1940)  Page(s) 19.  
 
Henry Bennett, Shepperton, England. 'Mrs. John Laing'

Book  (1939)  Page(s) 21.  
 
Harry H. Hazlewood:   'Home, Sweet Home' HT. produced a few huge blooms, somewhat after the style of 'Mrs. John Laing'.

Website/Catalog  (1938)  Page(s) 34.  
 
Bush Roses
Mrs. John Laing (Hybrid Perpetual)... Soft pink; large, fine form. Vigorous, hardy growth. One of the best H.P.'s and a good all-round sort. Very highly perfumed. Introduced 1887.

Book  (1936)  Page(s) 397.  
 
Laing, Mister John (HP) Bennett 1887; silky pink
Laing, Mrs. John (HP) Bennett 1887; Fr. Michelon X ? ; silky deep pink, edges lighter, large, double, globular, imbricated, fragrance 8/10 (centifolia), floriferous, continuous bloom, drooping stalks, growth 7/10, upright, well-branched. Sangerhausen