First Grade – Book/Audio. Willis. Instruction, Method. Softcover book with online audio. 86 pages. Willis Music #12815. Published by Willis Music (HL.416505).
Later Elementary Level. Willis. Instruction. 46 pages. Willis Music #6604. Published by Willis Music (HL.413236).
Part One. Willis. Learn To Play. Instructional book. 39 pages. Willis Music #7259. Published by Willis Music (HL.414014).
John Thompson’s Easiest Piano Course. Composed by John Thompson. Willis. Educational, Pop. Softcover. 32 pages. Music Sales #WMR101288R. Published by Music Sales (HL.14042309).
Elementary Level. Willis. Instruction, Method, Theory. 32 pages. Willis Music #7385. Published by Willis Music (HL.414163).