File:Evolution of the Delta logo.svg

{{Non-free use rationale

|Description = Gallery for the historical Delta Air Lines logo, collected by Delta Flight Museum.

|Source = http://www.deltamuseum.org/docs/site/policies/dfm_brandstyleguide_final_4-2014.pdf?sfvrsn=1

|Article = History of Delta Air Lines

|Portion = The entire logo is used to convey the meaning intended and avoid tarnishing or misrepresenting the intended image.

|Low_resolution = Yes

|Purpose = To serve as the primary means of visual identification at the top of the article dedicated to the entity in question.

|Replaceability = Any derivative work based upon the logo would be a copyright violation, so creation of a free image is not possible.

|Commercial = The use of a low resolution image of an organization's logo in the article about that organization will not impact the commercial viability of the logo.

}}

{{Non-free logo|image has rationale=yes}}