From the Massachusetts Society for the Prevention of Cruelty to Animals' Our Dumb Animals, 1939.

From The Children's Newspaper, 1963.  Answer: Chestnut.

From the Massachusetts Society for the Prevention of Cruelty to Animals' Our Dumb Animals, 1920. 

Answers - PACA, SLOTH, PUMA, STAG, CAT, MARTEN, with ALPACA in 1-2 and COUGAR in 3-4.

From Wee Wisdom, 1941. 

Answers: cow, crow, dove, hawk, loon, oriel, owl, robin, wren.

From The Children's Newspaper, 1927.

Answers: SHOT, SOOT, BOOT, BOOK.  

From The Children's Newspaper, 1927.

From Wee Wisdom, 1932.

From Youth's Companion, 1894.

From The Children's Newspaper, 1940.  Answer: add a h to ear to make hare, then rearrange hare to hear and a t to make heart.

From The Children's Newspaper, 1940.

From The Children's Newspaper, 1928.

Answers: LONE, LANE, LAME, LAMP, LUMP. 

From Wee Wisdom, 1925.

From the Bombay Sunday Chronicle, 1939.

From The Children's Newspaper, 1928.

Answers: LAND, LANE, LINE.

From Wee Wisdom, 1924.

From the Massachusetts Society for the Prevention of Cruelty to Animals' Our Dumb Animals, 1956.

From The Pathfinder, 1929.

From The Pathfinder, 1937.

From St. Nicholas, 1890.