the twelve minor prophets (not in biblical context): Hosea, Joel, Amos, Obadiah, Jonah, Micah, Nahum, Habakkuk, Zephaniah, Haggai, Zechariah, Malachi
He designed chapels in mid-Wales at Bala, Machynlleth and Montgomery, the Calvinistic Methodist College at Bala as well as the railway station at Newtown and the Market Hall in Dolgellau. Spaull also renovated several Anglican churches.

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	Hosea and Obadiah from Characters from the Old Testament firm/studio: Saunders & Co. designer: Charles Campbell about 1875-1885 Cardiff Castle, Cardiff Library
	The Annunciation with the Adoration of the Shepherds firm/studio: Burlison & Grylls 1945 Church of St Mary, Builth Wells, Powys west wall of the nave (window number: wI)