From the book A manual on dog breeding 1973
1973 Kolos , Leningrad, Author Zavodchikov P.
Tsvetnaya bolonka. The dog is small, somewhat elongated, has a delicate constitution. Height at the withers: males - 25-28 cm in females - 20-25 cm. Allowed all colors not including pure white. Hair long, soft, silky, curled. The same length all over the body. The head is round, small, covered with long hair. Convex forehead. The stop from forehead to muzzle is clearly marked. Muzzle short, pinched. The lips tight. Nose in black dogs black, in color dogs in tone color. Hanging ears, sometimes slightly raised on the cartilage, closely, give the impression that the dog has a big head. The ears are covered with long curly hair. The eyes are round, large, dark, looking straight. Teeth white, scissor bite, allowed pincer. The neck is of moderate length, muscular, dry, set high. Chest moderately broad and deep. The back is straight, strong. Abdomen moderately tucked up. The front legs are straight and parallel. Can not see them for dense coat. Hind legs are well defined hock. Feet round, small, close-cupped. The tail is of medium length, very thickly covered with coat and snap tail.