The phrase "collected in a single" is a perfectly valid phrase to use in written English.
It is often used to refer to multiple items that have been brought together in one place or as one unit. For example, you could say "All of the documents were collected in a single folder for easy reference."
The number of works that could be measured was limited by the time the institutions allowed access to the collections (mostly 1 3 days) and by whether the paintings were collected in a single room or hanging throughout a building.
Five of these monographs have now been collected in a single volume.
Ms. Smith called it the largest amount ever collected in a single case of minimum wage and overtime violations.
Each trial collected in a single plane was 315 s in duration and the image size was 512 × 249 pixels.
This data was collected in a single drop breakage cell under turbulent conditions, comparable to those in a stirred tank.
The four books, as well as Crossing the Craton, were collected in a single volume, Annals of the Former World (1998), which was awarded a Pulitzer Prize.
In addition, an extensive set of data was collected in a single follow-up session under both eyes-open and eyes-closed conditions.
This is the first English translation of all of Kant's writings on moral and political philosophy collected in a single volume.
What we have is William Shakespeare's first folio, the first time that Shakespeare's plays are collected in a single volume and published.
In the Byzantine period 12 of the compositions were collected in a single manuscript containing 14 books (of which numbers 9 and 10 are lost).
The pinhole imaging system coupled with gated micro-channel plate MCP) detectors are developed, which allows 20 images to be collected in a single individual experiment.
