Book  (1976)  
 
The Lion’. Rose red, white center, medium size, single, tall

[This reference courtesy Brent C. Dickerson The Old Rose Adventurer, page 352.]

Book  (1936)  Page(s) 423.  
 
Lion, The (multiflora) G. Paul 1901; Crimson Rambler X Beaté Inconstante; carmine-pink, white pistils, 5 cm., single, flat, in clusters of 3-20, floriferous, growth 7/10, climbing, 2 m. Sangerhausen

Book  (1933)  Page(s) 217.  
 
‘The Lion’ Paul & Sons, 1900. Popular, large-flowered, single, bright red multiflora not a great deal unlike ‘Carmine Pillar’.

Website/Catalog  (1926)  
 
“Single blossom, like [that of] [‘Paul’s] Carmine Pillar’, glossy carmine, late blooming, strong climbing, floriferous, erect.”

[This reference courtesy Brent C. Dickerson The Old Rose Adventurer, page 352.]

Website/Catalog  (1922)  Page(s) 29.  
 
‘The Lion’ Blooming in clusters, rich crimson in colour; a fine pillar rose. Wichuraiana.

Book  (1922)  Page(s) 436.  
 
The Lyon (Mult, ramb.) : Flower bright crimson, single ; a seedling from " Crimson Rambler."

Book  (1920)  Page(s) 150.  
 
Mrs. Aaron Ward Reports on Willowmere Roses. The list of climbers at Willowmere which have been found worth while follows: ‘The Lion’ and….

Book  (1920)  Page(s) 171.  
 
‘The Lion’ . Multiflora. Rich crimson. Pillar, arch. Climber, single flowered.

Book  (1918)  Page(s) 85.  
 
[From the article "Multiflora Ramblers" by Edward K. Butler, Jamaica Plain, Mass.]
The Lion. (Paul & Son, 1900.) This rose, with me, is not so vigorous in growth as others of this class, but the large, flat, crimson flowers, measuring two and a half inches in diameter, make it perhaps the most striking and brilliant of all the single ramblers. I doubt if this can be had in America.

Book  (1916)  Page(s) 205.  
 
‘The Lion’ (M). Rich crimson, with white eye; single flowered; a glorified ‘Hiawatha’.