Book  (Apr 1993)  Page(s) 321.  
 
Locarno Polyantha, orange-red, 1926, 'Orléans Rose' sport; deRuiter. Description.

Book  (1958)  Page(s) 206.  
 
Locarno. Pol. (de Ruiter, '26.) Orléans Rose sport. Large, orange-red; huge cluster. Vig., bushy. (14)

Magazine  (Jun 1948)  Page(s) 2. trimester, p. 14, 21.  
 
[From "Classification et Création des Roses Polyantha", by Dr. Walter E. Lammerts, translated from the ARS Annual 1947]
p. 14: Une série vraiment remarquable de sports a été produite par Orléans Rose, et certaines de ces roses ont, à leur tour, donné des sports. La liste de ces sports, établie par ordre chronologique, est la suivante :
ORLEANS ROSE (1909), rose vif, cramoisi, centre blanc.
9^o Locarno (1926), rouge orangé 

p. 21: Locarno, Sport d'Orleans rose; Grande, rouge orangé, forts corymbes.

Book  (1947)  Page(s) 180.  
 
Locarno (Hybrid polyantha) is an orange-scarlet sport from Orleans Rose, and has similar large clusters of semi-double flowers on vigorous erect bushy plants with glossy green foliage occasionally subject to mildew. De Ruyter 1926...Vigorous. Slightly fragrant...June-September. Hardy.

Website/Catalog  (1939)  Page(s) 86.  
 
Rosiers Polyantha remontants nains. (Dits Multiflores.) ...   Locarno Fleur vermillon-orange flammé de rouge foncé. Arb. tr. vig., tr. flor.

Book  (1937)  Page(s) 139.  
 
G. de Ruiter ...Locarno (1926)...

Book  (1936)  Page(s) 424.  
 
Locarno (polyantha) de Ruyter 1926; sport of Orléans Rose; vermilion-orange, bright scarlet reflexes, medium to large, cluster-flowered, floriferous, continuous bloom, growth 6/10, bushy, well-branched. Sangerhausen

Magazine  (Jul 1931)  Page(s) 86.  
 
Rosiers multiflores naine.... Locarno (Sliedrecht & C°, 1927). — Vermillon orange, flammé de rouge foncé ; très étincelant. Arbuste vigoureux ; floraison abondante et continuelle.

Magazine  (1931)  Page(s) 303.  
 
...medium tall sorts are for example: 'Erna Teschendorff', 'Frau Dr. Erreth', 'Echo', 'Locarno', 'Gruss an Aachen', 'Jessy', 'Katharina Zeimet', 'Präsident Hindenburg'....

Book  (1930)  Page(s) 26.  
 
Dwarf Polyantha Roses
Listed separately this season, for convenience sake, these true ever-blooming Roses, which bear their showy clusters of small flowers almost the whole year through, are most valuable for bedding, massing and edging where a continuous blaze of color is desired.
Locarno (1926)  One of the best new polyanthas; large, orange-red flowers in huge clusters; good foliage.  ...  $1.25