Talking with the raven.  From Granny's Wonderful Chair and Its Tales of Fairy Times by Frances Browne and illustrated by Katharine Pyle, 1916.

From Fairy Tales by Marion Florence Lansing, 1908.

From Fairy Book by Sophie May, 1866.

The firebird from Old Peter's Russian Tales by Arthur Ransome, 1916.

The three ravens.  From Europa's Fairy Tales by Joseph Jacobs and illustrated by John Batten, 1916. 

We love it when a log takes on the form of a castle.  From the rare Twilight Fairy Tales by Maud Booth, 1906.

From The Enchanted House by Edith Harrison and illustrated by Frederick Richardson, 1913.

From Tears of Pearls Fairy Book by Alexander Chodsko, 1906.

From St. Nicholas, 1914.

"Little elves dancing in the moonlight."  From Fables From Afar by Catherine Bryce, 1910.  See How to Believe in Your Elf.

Here's how to tell when a preface isn't a preface.  From King Longbeard, Or Annals of the Golden Dreamland by Barrington MacGregor and illustrated by Charles Robinson, 1897.

From Granny's Wonderful Chair and Its Tales of Fairy Times by Frances Browne and illustrated by Katharine Pyle, 1916.  See How to Believe in Your Elf.

"The black eagle found the river fairy seated upon a poplar leaf."  From American Fairy Tales by Garrett Brown and illustrated by John Edward O'Keeffe, 1911.