Which sections of Igros Moshe are in which volumes?

Question

In Igros Moshe, the classic compilation of responsa by R' Moshe Feinstein, each of the published volumes contains one or more collections of numbered responsa, each concerning a specific area of Jewish law (generally, one of the four turim of Shulchan Aruch, but there is also at least one collection on Kodshim and Tahorot, which don't get their own section in Shulchan Aruch). So, for example, Volume 1 contains Orach Chayim - Section 1 and Kodshim Vetahorot - Section 1, and Volume 5 contains Yoreh Dey'a - Section 2, Orach Chayim - Section 3, and Even Ha'ezer - Section 2.

This layout presents an annoyance for anyone who hasn't yet memorized which sections are in which volumes and wants to look up a particular responsum based on a reference. They have to guess which volume the referenced section is in, flip through that volume to see if it's there, and then try again if incorrect the first time.

So, as an aid to the researcher, let's make a quick-reference list of which sections are in which volumes, including, where available, links to the beginnings of the sections on HebrewBooks (or any other online repository that has them). Then, someone following a reference could go straight to the right volume.

Answer 1

Quick-Reference List of the Section-Contents of Igros Moshe - אגרות משה

All links are to the first page of the section on HebrewBooks.org.

The end of each volume has, for each of the responsa sections, a list of "references from Shas and Posekim" and a table of contents with responsa numbers, titles, and page numbers. Links to these are included below with the responsa sections they correspond to.

Volume 1 - חלק א

• Orach Chayim - Section 1 / References / Contents
• Kodshim Vetahorot / References / Contents

Volume 2 - חלק ב

• Yoreh Dey'a - Section 1 / References / Contents

Volume 3 - חלק ג

• Even Ha'ezer - Section 1 / References / Contents

Volume 4 - חלק ד

• Choshen Mishpat - Section 1 / References / Contents
• Orach Chayim - Section 2 / References / Contents
• Even Ha'ezer - Section 2 / References / Contents

Volume 5 - חלק ה

• Yoreh Dey'a - Section 2 / References / Contents
• Orach Chayim - Section 3 / References / Contents
• Even Ha'ezer - Section 3 / References / Contents

Volume 6 - חלק ו

• Orach Chayim - Section 4 / References^* / Contents
• Yoreh Deya' - Section 3 / Contents
• Yoreh Deya' - Laws of Usury / Contents

Volume 7 - חלק ז

• Even Ha'ezer - Section 4 / References^* / Contents
• Choshen Mishpat - Section 2 / Contents

Volume 8 - חלק ח

• Orach Chayim - Section 5 / References^* / Contents
• Yoreh Dey'a - Section 4 / Contents
• Kodoshim / Contents

Volume 9^** - חלק ט

• Orach Chayim - Section 6 / References^* / Contents
• Yoreh Dey'a - Section 5 / Contents
• Even Ha'ezer - Section 5 / Contents
• Choshen Mishpat - Section 3 / Contents
• Kodshim Vetahorot - Section 3 / Contents
• Igrot Hashkafah (letters focusing on the Torah outlook on life) / Contents
• Responsa from R' Moshe's brother, R' Mordechai Feinstein / Contents

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^{* For all sections in this volume, combined
** This volume is unfortunately not yet available on HebrewBooks.org. The section contents reported here are based on a physical copy of the volume. (And see here for an online product description). If and when this volume becomes available online, anyone is invited to edit this entry to add links.}