VINTAGE..MARTIN XB-48.. STORY/HISTORY/PHOTOS/SPECS.......RARE! (958C)

VINTAGE..MARTIN XB-51 ..STORY/HISTORY/PHOTOS..(715C)

VINTAGE..DOUGLAS XB-42/42A/43 ...HISTORY/PHOTOS/DETAILS....RARE! (944F)

VINTAGE.BOEING XB-15 "OLD GRANDPAPPY"...HISTORY/PHOTOS/DETAILS....RARE! (943F)

VINTAGE..VULTEE XB-46..STORY/HISTORY/PHOTOS/DETAILS ...RARE! (690F)

VINTAGE..MARTIN XB-48 HISTORY..HISTORY/DETAILS/PHOTOS...RARE! (8P)

VINTAGE..DOUGLAS XB-19/XB-19A..PHOTOS/HISTORY/DETAILS/3-VIEWS..RARE! (399G)

VINTAGE..CONVAIR XB-46 HISTORY .HISTORY/PHOTO/DETAILS..RARE! (222M)