This site contains most of the decrees of the Sacred Congregation of Rites from the 1st decree in 1588, continuing until 1926, including almost 5006 decrees.
There is at least one gap, though. We are missing 66 decrees, from 4405 through 4471. Also, there is confusion about those around 4906. It seems there might have been some typos in the numbering.
To find a decree by the decree number, create a URL as follows: "www.srcdecreta.com/" PLUS the letter "d" PLUS [the decree number] For example, to find SRC 387, create this URL and paste it into the address bar: