Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope features an illustrated heart. The front cover reads: "Faith is the friend that comes along when things just seem to go all wrong." The inside reads: "To the Tree of Life, My thoughts and prayers are with yours. Nancy [last name redacted]."

Post-it note with handwritten message in blue marker. The message reads: "Never Forget. Love is stronger than hate." A Star of David appears in the center.

Summary: KDKA-TV report providing a history of mass shootings in the Pittsburgh area between 2000 and 2018.

Handmade card in colored pencil on paper. The outside features a series of staples running down the side and two hole punches. Cream-colored yarn is tied in a bow around the left-hand hole. From right to left, the inside reads, in Hebrew: "Zachor" (remember) and "Love, Cat Dog. Me and family are so sorry." Assorted hearts appear on the right flap; a group of multicolored blocks with a heart-shaped cat or dog face on top appears on the left. The back is signed, on the lower center: "From Aviva and Shosie."

Folded card with colored pencil word art. Cover reads: "Have a good day". Interior reads: "Dear all, I'm so sorry to hear what happened there. We as a Beth Chai would like to send our heart to be there together. We believe world will be better. [Last name redacted for privacy] family."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "May the love and comfort of God, our father, be with you all in this dark hour. We pray for all of you. GOD BLESS You. Margaret [last name redacted]."

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Post-it note with handwritten message in blue marker. The message reads, in Hebrew: "Shalom" (Peace). Signed with a heart.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Oral history of Leslie Aizenman, recorded as part of the Meanings of October 27th Oral History Project.

Handwritten note written in black ink on light yellow paper. The note reads: "Dear God, Let love prevail... Let hate fail... Blessed those affected by this terrible act... A Pittsburgher."

White button with black text and safety pin on back, Design features tree with branches forming a Star of David. Text above design reads, "#pittsburghstrong."

Cardstock program with typed text on front and back. Creased down the middle. Program includes itinerary, directions for a vigil walk and a wreath laying ceremony, and Hebrew and English lyrics for two Jewish songs: "Olam Hesed Yibaneh" and "Oseh Shalom Bimromav."

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Printed Hanukkah note with edited photographs featuring the eleven October 27 attack victims with Hanukkah imagery in the background. From top-bottom and left-right: Melvin Wax, David and Cecil Rosenthal, Irving Younger, Daniel Stein, Bernice and Sylvan Simon, Jerry Rabinowitz, Joyce Fienberg, Richard Gottfried, and Rose Mallinger. A large blue Menorah with the words: "Happy Hanukkah appears below."

Floral tag from floral arrangement sent by Eddie and Diane in memory of Al Hess. The note is printed on a tag with a beige background from a local florist.

Card made by a student from the George Washington University Hillel. The front cover contains a bilingual Hebrew and English message: "Haverim (friends) in Pittsburgh" with a Star of David below. The inside (from right to left) reads: "Sending love, solidarity, and hope. Our community is the strongest in the world! -Sam, GWU student, Colorado Springs, CO, Temple Beth Torah."

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover contains the following quote: "The secret of CHANGE is to focus all of your energy not on fighting the old, but on building the new." An illustration of three flowers flanked by trees on either side, and a Star of David, appear below. The inside reads: "Dear Rabbi Jeffrey Myers, I am a 7th grade student at Goddard Middle School in Littleton, Colorado. I am sorry for your loss. Sincerely, Josie [redacted], Littleton, Colorado." The signature is accompanied by a heart.