Angels
Archangels, Fallen, Watchers, 34 Common Questions about Angels, Afterhours Inspirational Stories: Angels, Angel, Angel, Angel Focus, Angel Haven, Angel Organica, Angellus, Angelology: Doctrine of Angels, Demons, and Satan, Angels
Elementals
Air, Earth, Fire, Water, Alice Bailey & Djwhal Khul - A Treatise on Cos, Devas, Elementals and Nature Spirits, Elemental, Elementals, Elementals, Elementals, Elementals, Elements and Elementals, Energy, Elements, and Elementals, Nymph
Spiritual Being
From Wikipedia. A brief description of what a spiritual being can be.