Some might find the following file helpful:
* * PDF Download • Rubrics for 1955 Good Friday
Always make sure to go through everything at least once beforehand—even Solesmes sometimes goofs. For example, look what they did in Chants Abrégés (1926) for Palm Sunday:
By the way, here’s a written-out version of the Good Friday Communion Psalm prescribed by the rubrics:
* * PDF Download • Good Friday Communion (Ps 21)
This is the first time it’s ever been written out! Not even the mighty—and incredible—GregoBase provides this essential score fully notated.
For the record, the Edmund Campion Hymnal has a very clear—beautifully typeset—version of Good Friday, including wonderful English translations.