These Humans are ...

 Midnight Concert

 A Coon Song

 A Joyous Christmas

 Feline Amenities!

 Untitled

 There's Many...

 The Moonlight Flit

 To My Valentine

 Stripes to the Fr...

 The Rooftop Party

 Cats Making Misch...

 If Only Big Thing...

 Preliminary Sketc...