The phrase "a collection of separate" is correct and usable in written English.
It can be used when describing a group or assortment of distinct items or elements that are not combined into a single entity.
Example: "The museum features a collection of separate artifacts from various ancient civilizations."
Alternatives: "a group of individual" or "an assortment of distinct".
The multinational approach combined firm controls from headquarters over a collection of separate companies overseas, each in a different market.
Computer security, analysts say, increasingly lends itself to being delivered as an integrated service instead of as a collection of separate software products.
Pasta itself was properly cooked, but offerings seemed merely a collection of separate ingredients whose flavors never merged, as in rigatoni with fine crumbled sausage and broccoli rape.
Instead, the company would try to function less as a collection of separate businesses, and more as a single corporate entity.
Rather than being a collection of separate applications, it is a set of dozens of building blocks that can be assembled and rearranged like Lego pieces.
"The foundry is like a collection of separate small businesses under one roof, coordinated by myself and my partners," he said, describing the process that turns an artist's clay model into a finished piece of art.
It is exciting to watch what has been a collection of clever, separate players, suddenly become an articulate whole.
Issue 4 (winter 2000), for example, was a collection of 14 separate booklets containing stories by Jonathan Lethem, George Saunders, Rick Moody and Haruki Murakami, among others.
The Belgian part, called Baarle-Hertog, is a collection of 26 separate parcels, four of which are on the Belgian-Dutch border (therefore technically not 'claves) and 22 within Baarle-Nassau, the Dutch part of town [5].
GE Capital is a collection of 27 separate businesses, united only by the fact that in every case the raw material is money.
Moreover, Syrianus' work is a collection of three separate essays of quite different character and purpose, one essay on the aporetic book III (=Beta), one on book IV (=Gamma), and one on books XIII and XIV (Mu and Nu).
