[front]: 1914 F-4 mandolin, 1924 K-4 mando-cello, 1917 H-4 mandola, 1916 J mando-bass, 1904 A-4 mandolin, 1914 K-2 mando-cello; all by Gibson Mandolin-Guitar Co., Kalamazoo.
[right]: unknown mandolin, 1908 Kite mandolin by F. Lang.
[rear]: 1917 Symphony Style 5 harp guitar by Cal & August Larson, 1930 Aero-uke ukulele by Stromberg-Voisinet.

The Harp Guitar has a second sound hole - don't know that it qualifies as a side port...1917
National Music Museum in Vermillion, SD (home of a Stradivarius mandolin and guitar!)

— Larry Jacobsen

Precise listing:

Gibson Mandolin Family,  National Music Museum, Vermillion, South Dakota

front: left to right

• [in other photo] NMM 10052. Mandolin by Gibson Mandolin-Guitar Company, Kalamazoo, ca. 1904. Style F-3. Serial number 3617.
• NMM 6070. Mandolin by Gibson Mandolin-Guitar Company, Kalamazoo, 1914. Style F-4, Artist's Model. Serial number 17800.
• NMM 6086. Mando-cello by Gibson Mandolin-Guitar Company, Kalamazoo, 1924. Style K-4, Artist's Model. Serial number 76996.
• NMM 6098. Mandola by Gibson Mandolin-Guitar Company, Kalamazoo, 1917. Style H-4, Artist's Model. Serial number 33609.
• NMM 2883. Mando-bass by Gibson Mandolin-Guitar Company, Kalamazoo, 1916. Style J. Serial number 25936.
• NMM 6192. Mandolin by Gibson Mandolin-Guitar Company, Kalamazoo, ca. 1904. Style A-4. Serial number 3121. (See also: NMM 4085)
• NMM 6085. Mando-cello by Gibson Mandolin-Guitar Company, Kalamazoo, 1914. Style K-2. Serial number 17984.
• unknown mandolin

rear: left to right

• NMM 2817. Harp guitar by Carl and August Larson, Chicago, ca. 1917. Symphony Style 5. No serial number. Distributed by W. J. Dyer & Bro., Minneapolis.
• NMM 2766. Ukulele by Stromberg-Voisinet Co., Chicago, ca. 1930. Aero-uke. “Built in the shape of an airplane.”
• NMM 2774. Kite Mandolin by F. Lang, Chicago, patented April 28, 1908.

upper: right

• Photograph: The Cornell Glee, Banjo, and Mandolin Club ay Cornel University, Ithaca, New York, 1895–96.

• Checklist of Mandolins by Gibson. National Music Museum.
• Checklist of Plucked Stringed Instruments by Carl and August Larson (The Larson Brothers). National Music Museum.
• Checklist of Ukuleles. National Music Museum.
• Thread: Early gibsons. Forum. Mandolin Cafe (July 03~18 2008).