These Humans are ...

 It Was a Very Sad...

 Old Christmas Cus...

 Ooh! There's...

 TommyTortiseshell...

 Good Night

 I Was Only Quotin...

 Untitled

 Good-Night!

 Judge and Jury

 Where Is That Mouse?

 Feline Amenities!

 Untitled

 Pussy's Nigh...

 An Owlish Eccentr...

 The Rooftop Party

 Wee Willie Winkie

 Cats Making Misch...

 The Latest Applic...

 Preliminary Sketc...