The phrase "helpful materials" is correct and usable in written English.
You can use it when referring to resources or documents that provide assistance or support in a particular context.
Example: "The teacher provided us with helpful materials to prepare for the upcoming exam."
Alternatives: "useful resources" or "supportive documents".
Other helpful materials are few and far between.
Key ingredients are gasoline and hydrochloric acid; helpful materials include yellow plastic gloves, metal buckets, and black garbage bags full of coca leaves, dark and light green like limes, not a single one brown or withered.
You can also find fixed income primers and helpful materials from many of the major mutual fund companies and investment houses like Vanguard and Merrill Lynch.
I gained valuable insights from a talk by Robert Lucas and from helpful materials that he furnished me, and from a discussion with Lynn Maddox and an e-mail exchange with Myron Scholes . Lee Lockwoodand Christian Opp carefully checked the manuscript for technical economic errors and in the process made valuable suggestions for improving the book.
If you send a letter, include your resume, and any other helpful materials you may have.
Next month we will launch a pilot program in Oakland, California, through which pediatricians will explain the importance of early brain development and give parents and caregivers the totes assembled at Dreamforce full of helpful materials to take home and use.
(There's also lots of less helpful material about being and time).
I've always avidly read the Sunday Real Estate section -- and have been grateful for much helpful material.
He concluded: "In consequence, charges were laid which would not have been, and the defence were later prejudiced because potentially helpful material never reached them, as it should have done".
Keep your eyes open for helpful material that you may not have been expressly looking for.
Most relevant, the cases and diplomatic record found in the archive can provide persuasive and helpful material for the ICC to use, such as how past diplomats, judges, and lawyers approached similar facts or interpreted similar legal language.
