The Harmony Company | Sovereign H1260, serial # 9631111260 | The Metropolitan Museum of Art
Vintage Harmony Opus - anyone know anything about them? - The Acoustic Guitar Forum
Date Your Harmony – Harmony Guitars
HARMONY STELLA ACOUSTIC GUITAR, SERIAL NUMBER 8591H929 - Able Auctions
Dating Harmony Guitars
Round up some fun with collectible Gene Autry guitars - Goldmine Magazine: Record Collector & Music Memorabilia
Identifying and Dating Harmony Guitars - S. Nathaniel Adams
Vintage Guitars Info - D'angelico, Stromberg, Kay, Hofner vintage guitar collecting
Identifying and Dating Harmony Guitars - S. Nathaniel Adams
1960's Harmony Sovereign Natural Acoustic Guitar, Serial Number | Lot #81058 | Heritage Auctions
Vintage Harmony H1215 Archtop Acoustic Guitar | Reverb
Date Your Harmony – Harmony Guitars
Harmony Guitar Identification : r/guitars
Harmony-sovereign | Axe Central
Finding the age of Harmony H1260 Sovereign - The Acoustic Guitar Forum
Harmony Guitars - Jupiter - Space Black | Mass Street Music
Harmony Guitar Identification - Our Pastimes
Harmony Guitars: A History – FuelRocks
Identifying and Dating Harmony Guitars - S. Nathaniel Adams
Harmony Guitar Made In China - Can't Read Model Number | Axe Central
Dating Harmony Guitars
Harmony Stella H-6134 Acoustic Guitar | Reverb
Harmony Guitar Identification - Our Pastimes
Help Identifying a Korean-Made Harmony Est. 1892 Acoustic Guitar | eHow UK
HARMONY ACOUSTIC GUITAR, MADE IN USA, SERIAL NUMBER 5000H165, COMES WITH HARD SHELL CASE - Able Auctions
Stellaguitars - There are no serial numbers on Oscar Schmidt Stella and Sovereign guitars that will identify the approximate date that a particular instrument was made. But instruments made by Harmony, including
Harmony-sovereign | Axe Central
