| Title | Date | Type | Setname | ||
|---|---|---|---|---|---|
| 301 |
 | Mendez, Mary OH18_038 | 2017 | Text | wsu_webda_oh |
| 302 |
| Merrill, Chloe OH19_020 | 2019 | Text; Image/StillImage; Image/MovingImage | wsu_bs_oh |
| 303 |
 | Merrill-Flitton, Carol OH22_006 | 2024 | Image/StillImage; Text | wsu_webda_oh |
| 304 |
 | Meyer, Virginia Biddle_OH9_051 | 2023 | Text | wsu_webda_oh |
| 305 |
| Miller, Buddy and Carolyn OH18_039 | 2016 | Text | wsu_webda_oh |
| 306 |
 | Miller_Sisters_OH9_027 | 2011 | Text | wsu_webda_oh |
| 307 |
 | Miner, Madonne OH10-437 | 2017 | Image/MovingImage; Image/StillImage; Text | wsu_stu_oh |
| 308 |
| Miner, Madonne OH19_021 | 2019 | Text; Image/StillImage; Image/MovingImage | wsu_bs_oh |
| 309 |
| Misaka, Wat OH16_011 | 2014 | Text; Image/MovingImage | wsu_webda_oh |
| 310 |
 | Miscellaneous | Text; Image/StillImage | wsu_ucc_ed | |
| 311 |
| Mitchell, Judith OH3_022 | 2013 | Text | wsu_oh |
| 312 |
| Mitchell, Kristen OH19_084 | 2019 | Text; Image/StillImage; Image/MovingImage | wsu_bs_oh |
| 313 |
| Mitton, George OH18_040 | 2016 | Text | wsu_webda_oh |
| 314 |
| Miya, Mildred OH3_042 | 2004 | Image/StillImage; Text | wsu_oh |
| 315 |
| Money, Steve OH15_032 | 2018 | Text; Sound; Image/StillImage | wsu_webda_oh |
| 316 |
 | Moore, Thomas, Sr. OH20_009 | 2023 | Image/StillImage; Text | wsu_webda_oh |
| 317 |
| Moore, Willie F. OH9_026 | 2001 | Text; Sound | wsu_webda_oh |
| 318 |
| Moore, Willie OH12_023 | 2013 | Text | wsu_webda_oh |
| 319 |
| Mora Family, OH12_047 | 2013 | Text | wsu_webda_oh |
| 320 |
| Moser, Raymond OH15_030 | 2019 | Text; Image/StillImage | wsu_webda_oh |
| 321 |
| Moulding, Louise OH19_022 | 2019 | Text; Image/StillImage; Image/MovingImage | wsu_bs_oh |
| 322 |
| Mueller, Arlo OH9_012 | 2013 | Text | wsu_webda_oh |
| 323 |
| Murphy, Edward OH12_010 | 2013 | Text | wsu_webda_oh |
| 324 |
 | Nahas, Joe OH10_438 | 2017 | Image/StillImage; Text | wsu_stu_oh |
| 325 |
| Nash, Michael OH12_024 | 2013 | Text | wsu_webda_oh |