By Sonja Poorman, Berta Poorman. For Choir. Choral Octavo. CD. Published by Alfred Publishing.

By Sonja Poorman, Berta Poorman. For Choir. (2-part). Choral Octavo. Secular, Christmas. Level: Moderate (grade 3). Choral Octavo. Published by Alfred Publishing.

By Sonja Poorman, Berta Poorman. For Choir. (3-part mixed). Choral Octavo. Secular, Christmas. Level: Moderate (grade 3). Choral Octavo. Published by Alfred Publishing.

By Sonja Poorman, Berta Poorman. For Choir. Choral Octavo. Secular, Christmas. CD. Published by Alfred Publishing.

By Berta Poorman And Sonja Poorman (Incorporating "America The Beautiful"). For Keyboard, Opt. Trumpets and Snare Drum. (2-part). Choral Octavo. Patriotic, Americana. Level: Moderate (grade 3). Choral Octavo. 16 pages. Published by Alfred Publishing.

By Berta Poorman And Sonja Poorman (Incorporating A Traditional Melody). For Choir. (2-part). Choral Octavo. Christmas. Level: Moderate (grade 3). Choral Octavo. Published by Alfred Publishing.

By Berta Poorman And Sonja Poorman (Incorporating A Traditional Melody). For Choir. (2-part). Choral Octavo. Christmas. Level: Moderate (grade 3). Choral Octavo. Published by Alfred Publishing.

By Berta Poorman And Sonja Poorman (Incorporating A Traditional Melody). For Choir. Choral Octavo. Christmas. CD. Published by Alfred Publishing.

By Sonja Poorman, Berta Poorman. For Choir. Choral Octavo. Sacred Choral Series. Sacred. CD. Published by Alfred Publishing.

"You're a Grand Old Flag" and "The Stars and Stripes Forever", new lyrics and setting by Berta Poorman and Sonja Poorman. For Choir. Choral Octavo. Patriotic, Americana. CD. Published by Alfred Publishing.

By Sonja Poorman, Berta Poorman. For Choir. Choral Octavo. Christmas. CD. Published by Alfred Publishing.

By George M. Cohan, Additional Words And Music By Berta Poorman And Sonja Poorman. For Opt. C Instrument. (2-part). Choral Octavo. Patriotic, Americana. Choral Octavo. 12 pages. Published by Alfred Publishing.

By Berta Poorman and Sonja Poorman. For Choir. (2-Part). Choral Octavo. Choral Octavo. 12 pages. Published by Alfred Publishing.

By Sonja Poorman, Berta Poorman. For Choir. (3-part). Choral Octavo. Level: Moderate (grade 3). Choral Octavo. Published by Alfred Publishing.

By Sonja Poorman, Berta Poorman. For Choir. (2-part). Choral Octavo. Level: Moderate (grade 3). Choral Octavo. Published by Alfred Publishing.

By Berta Poorman And Sonja Poorman (Incorporating "America The Beautiful"). For Choir. Choral Octavo. Patriotic, Americana. CD. 1 pages. Published by Alfred Publishing.

Original words and music by Berta Poorman and Sonja Poorman (incorporating "I Got Shoes"). For Choir. Choral Octavo. Spiritual. CD. Published by Alfred Publishing.

Original words and music by Berta Poorman and Sonja Poorman (incorporating "I Got Shoes"). For Choir. (SATB). Choral Octavo. Spiritual. Choral Octavo. Published by Alfred Publishing.

By Sonja and Berta Poorman. For Opt. Flute. (3-Part Mixed). Choral Octavo. Choral Designs. Choral Octavo. 12 pages. Published by Alfred Publishing.