Online source: I found the book digitized online at Gutenberg.beic.it, and here is a record number: (IT-MiFBE)bib.it.ia00150600. I cannot finda way to make a stable link, but using that reference, you should be able to find the book there, which is available as a PDF for download, CC-licensed.
Here's a random image from the book:
Table of Contents:
THE WOLF AND THE LAMB.
THE MOUSE AND THE FROG.
THE DOG AND THE SHEEP.
THE DOG CARRYING MEAT IN HIS MOUTH.
THE LION, GOAT, SHEEP, AND HEIFER.
THE WOMAN MARRYING A THIEF.
THE WOLF AND THE CRANE.
THE DOG AND THE OTHER DOG.
THE MAN AND THE SNAKE.
THE COUNTRY MOUSE AND THE CITY MOUSE.
THE FOX AND THE EAGLE.
THE EAGLE AND THE TORTOISE.
THE FOX AND THE CROW.
THE LITTLE DOG AND THE DONKEY.
THE LION AND THE MOUSE.
THE KITE AND HIS MOTHER.
THE SWALLOW AND THE FARMER.
THE FROGS SEEKING A KING.
THE HAWK AND THE DOVES.
THE THIEF AND THE DOG.
THE WOLF AND THE SOW.
THE EARTH THAT GAVE BIRTH TO A MOUSE.
THE WOLF AND THE LAMB.
THE DOG AND HIS MASTER.
THE FOREST AND THE HARES.
THE WOLF AND THE KID.
THE STAG AND THE SHEEP.
THE FLY AND THE BALD MAN.
THE FOX AND THE STORK.
THE WOLF AND THE HEAD.
THE JACKDAW AND THE PEACOCKS.
THE MULE, THE FLY, AND THE DRIVER.
THE FLY AND THE ANT.
THE WOLF AND THE FOX.
THE FARMER AND THE WEASEL.
THE FROG AND THE OX.
THE LION AND THE SHEPHERD.
THE HORSE AND THE LION.
THE HORSE AND THE DONKEY.
THE BEASTS AND THE BIRDS.
THE WOLF AND THE FOX.
THE STAG AND THE FOUNTAIN.
THE VIPER AND THE FILE.
THE WOLVES AND THE SHEEP.
THE WOODS AND THE AXE.
THE WOLF AND THE DOG.
THE STOMACH, THE FEET, AND THE HANDS.
THE MONKEY AND THE FOX.
THE DONKEY AND THE MERCHANT.
THE STAG AND THE OXEN.
Fables for which I don't have a corresponding translation in an English edition (yet):
THE FARMER AND THE SNAKE.
THE NIGHTINGALE AND THE HAWK.
THE MAN AND THE WIDOW.
THE YOUNG MAN AND THAIS.
THE FATHER AND HIS SON.
THE CAPON AND THE HAWK
