| hAccept | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hAcceptCharset | Network.HTTP.Types.Header | 
| hAcceptEncoding | Network.HTTP.Types.Header | 
| hAcceptLanguage | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hAcceptRanges | Network.HTTP.Types.Header | 
| hAge | Network.HTTP.Types.Header | 
| hAllow | Network.HTTP.Types.Header | 
| hAuthorization | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hCacheControl | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hConnection | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hContentDisposition | Network.HTTP.Types.Header | 
| hContentEncoding | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hContentLanguage | Network.HTTP.Types.Header | 
| hContentLength | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hContentLocation | Network.HTTP.Types.Header | 
| hContentMD5 | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hContentRange | Network.HTTP.Types.Header | 
| hContentType | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hCookie | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hDate | Network.HTTP.Types.Header, Network.HTTP.Types | 
| HEAD | Network.HTTP.Types.Method, Network.HTTP.Types | 
| Header | Network.HTTP.Types.Header, Network.HTTP.Types | 
| HeaderName | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hETag | Network.HTTP.Types.Header | 
| hExpect | Network.HTTP.Types.Header | 
| hExpires | Network.HTTP.Types.Header | 
| hFrom | Network.HTTP.Types.Header | 
| hHost | Network.HTTP.Types.Header | 
| hIfMatch | Network.HTTP.Types.Header | 
| hIfModifiedSince | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hIfNoneMatch | Network.HTTP.Types.Header | 
| hIfRange | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hIfUnmodifiedSince | Network.HTTP.Types.Header | 
| hLastModified | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hLocation | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hMaxForwards | Network.HTTP.Types.Header | 
| hMIMEVersion | Network.HTTP.Types.Header | 
| hOrigin | Network.HTTP.Types.Header | 
| hPragma | Network.HTTP.Types.Header | 
| hProxyAuthenticate | Network.HTTP.Types.Header | 
| hProxyAuthorization | Network.HTTP.Types.Header | 
| hRange | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hReferer | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hRetryAfter | Network.HTTP.Types.Header | 
| hServer | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hSetCookie | Network.HTTP.Types.Header | 
| hTE | Network.HTTP.Types.Header | 
| hTrailer | Network.HTTP.Types.Header | 
| hTransferEncoding | Network.HTTP.Types.Header | 
| http09 | Network.HTTP.Types.Version, Network.HTTP.Types | 
| http10 | Network.HTTP.Types.Version, Network.HTTP.Types | 
| http11 | Network.HTTP.Types.Version, Network.HTTP.Types | 
| http20 | Network.HTTP.Types.Version | 
| httpMajor | Network.HTTP.Types.Version, Network.HTTP.Types | 
| httpMinor | Network.HTTP.Types.Version, Network.HTTP.Types | 
| HttpVersion |  | 
| 1 (Type/Class) | Network.HTTP.Types.Version, Network.HTTP.Types | 
| 2 (Data Constructor) | Network.HTTP.Types.Version, Network.HTTP.Types | 
| httpVersionNotSupported505 | Network.HTTP.Types.Status, Network.HTTP.Types | 
| hUpgrade | Network.HTTP.Types.Header | 
| hUserAgent | Network.HTTP.Types.Header, Network.HTTP.Types | 
| hVary | Network.HTTP.Types.Header | 
| hVia | Network.HTTP.Types.Header | 
| hWarning | Network.HTTP.Types.Header | 
| hWWWAuthenticate | Network.HTTP.Types.Header |