NEW YORK: Published in November of 2004 — The Complete Search Warrant, Annotated — this manual, archived here in PDF format, provides insight into search warrants as of 2004.
The Complete Search Warrant, Annotated — download link
https://www.nycourts.gov/judges/SearchWarrant_Manual.pdf — online link to source
For more help for indigent defendants in New York, the The Erie County Bar Association
Aid to Indigent Prisoners Society, Inc. has a web page of resources: