The phrase "a valuable documentation of" is correct and usable in written English.
It can be used when referring to a record or account that provides important information or insights about a particular subject or event.
Example: "The book serves as a valuable documentation of the cultural changes that occurred during the 20th century."
Alternatives: "an important record of" or "a significant account of".
Displaying each of his worlds, the Guild Hall show is a valuable documentation of imperiled beauty.
To videotape a heated police interaction can be a valuable documentation of the state in action and can create a crucial check and balance, but it also puts the phone-holder at risk of being arrested or harassed by police.
We are confident that this special issue of Angiogenesis is a valuable documentation of the current technologies available to image neovaculature formation.
A young curator had gone out on a limb in purchasing them the higher-ups at the institution weren't very interested in photography, but the curator thought that she would find valuable documentation of traditional clothes in the pictures.
The data of Paul et al. provide novel and valuable documentation that the force of gravity is not needed for the waving and skewing patterns of root growth on solid surfaces, and that in micro- g these patterns differ between different ecotypes of Arabidopsis.
Also, an intermittent power supply has not allowed it to take full advantage of the new satellite internet connection Amref has at its new office; and power surges due to power cuts have damaged electronic equipment and caused the loss of valuable documentation, in turn causing delays to project-related work being communicated externally.
This was an important methodological lesson – valuable documentation is often unknown or forgotten by involved actors, but it does exist.
Such details are part of the valuable documentation that Glendinning has unearthed from these early years, about which Woolf's own account is hurried and incomplete.
There is valuable documentation, such as a contact sheet that shows that the subject of Arbus's famous, horrific picture of a boy clutching a toy hand grenade was actually a fairly normal-looking kid, with a talent for clowning.
He also compiled valuable photographic documentation of the Plains Indians of North America.
