[1] [CITE@en-gb[HTTP Status Codes]]
([[Dan McCormick]] 著, [TIME[2011-10-07 11:42:55 +09:00]] 版)
<http://www.mccormickfamily.com/become-an-author/56-http-status-codes#509>

[2] [CITE@en[List of HTTP status codes - Wikipedia, the free encyclopedia]]
( ([TIME[2012-02-16 13:47:30 +09:00]] 版))
<http://en.wikipedia.org/wiki/List_of_HTTP_status_codes>

[3] [CITE@en[List of HTTP status codes - Wikipedia, the free encyclopedia]]
( ([TIME[2013-10-01 11:44:11 +09:00]] 版))
<http://en.wikipedia.org/wiki/List_of_HTTP_status_codes#509>

[FIG(quote)[
[FIGCAPTION[
[4] [CITE@en[git-lfs/api.md at master · github/git-lfs]]
([TIME[2015-04-09 12:31:37 +09:00]] 版)
<https://github.com/github/git-lfs/blob/master/docs/api.md?utm_source=gitlfs_site&utm_medium=api_spec_link&utm_campaign=gitlfs>
]FIGCAPTION]

> 509 - Returned if the bandwidth limit for the user or repository has been exceeded. The API does not specify any bandwidth limit, but implementors may track usage.

]FIG]