Full color printed program for "The Numbers Keep Changing." Includes artist's statement, reproductions of seven paintings with accompanying poems, photographs of the exhibition opening, and media coverage of the exhibit. Additional images shows painting "El Kiddush Hashem."

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Brother MELVIN WAX z''l -- To his family and community we pray Tanuchamo min hashamayim. May God in Heaven comfort you. The Principals, Teachers, Parents, Alumni, and Students of Magen David Yeshivah. Brooklyn, NY." Part of a series of 11 flags, each dedicated to one of the victims. Additional photograph shows the entire set of 11.

Card from the Friendship Circle of Illinois. The front of the card features an illustration of 770 Eastern Parkway in Brooklyn, Ny., the international headquarters of the Chabad-Lubavitch movement. The inside reads: "To the Jewish community of Pittsburgh sheyichyu (may they live), I'm very sad to hear about the tragic passing of the eleven yidden (Jews) who were so brutally murdered al kiddush Hashem (sanctified by God). I hope there will be no more bad things that happen.

Poster with collage of photographs showing scenes of interfaith support and a quotation of Ecclesiastes 4:9-12.

Cover of bencher (grace after meals booklet) from the bar mitzvah of Nate Itskowitz. Features illustration of a black and yellow sports jersey with the name Itskowitz, a Steelers logo modified to read "Nate" and the date "10-27-18," and Hebrew text listing the event and date.

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Sister ROSE MALLINGER z''l -- To his family and community we pray Tanuchamo min hashamayim. May God in Heaven comfort you. The Principals, Teachers, Parents, Alumni, and Students of Magen David Yeshivah. Brooklyn, NY." Part of a series of 11 flags, each dedicated to one of the victims. Additional photograph shows the entire set of 11.

Post-it note with handwritten message in black marker. The note is written in Hebrew. Translated into English, it reads: "Be strong, be strong, and may we be strengthened!"

Card from the Friendship Circle of Illinois. The cover reads: "To the Jewish community of Pittsburgh, From: Ari [last name redacted]." The acronym "B"SD" (with the help of heaven) appears in the upper right corner. The left flap on the inside features a large smiley face. The right flap reads: "I feel very bad for you and there should be always good stuff. And there be no bad stuff and Moshiach should come right NOW!!" A smiley face has been inserted inside the letter O.

Printed pamphlet in blue, white, and black ink on blue and white paper. The front cover reads, in English and Hebrew: "Messiah Revealed." The inner panels contain ten biblical prooftexts in support of the claim that the Hebrew Bible foretold the coming of the messiah, "Yeshua" (Jesus).

Typed Hebrew letter from a student at Hebrew Academy, a private Jewish day school in Montreal, Quebec. Translated into English, the letter reads: "Dear Rabbi from the Tree of Life Congregation, My name is Hannah [last name redacted]. I am a student at Hebrew Academy of Montreal. I am truly sorry about what happened to your holy synagogue. I hope that this will not happen again. I give [?] all your family and loved ones of your synagogue."

Eight-page folded cardstock program with dark blue background and typed text. Cover features photograph of a stained-glass Star of David. Contents include order of program, song lyrics with musical notation, Psalm 23 in Hebrew, English and English transliteration, Alden Solovy prayer, test of Kel Maleh Rachamim prayer in Hebrew and English, text of Mourner's Kaddish in Hebrew and English transliteration, and text of Oseh Shalom in Hebrew, English and English transliteration.

Post-it note with handwritten message in black marker. The note is written in Hebrew and English. Translated into English, the message reads: "The People of Israel Lives. Love from Toronto, Mark [last name redacted]."

Post-it note with handwritten message in black marker. The message reads, in Hebrew and English: "Rest in Peace." Signed by Rabbi Fred Pomerantz.

Prayer card with reproduction of "The Miraculous Icon" depicting the Virgin and Child. According to the text on the front cover, this prayer card was blessed at mass with holy water and incense. The inside features various recommended prayers for healing and petitions.

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

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."

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."

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Sister JOYCE FIENBERG z''l -- To his family and community we pray Tanuchamo min hashamayim. May God in Heaven comfort you. The Principals, Teachers, Parents, Alumni, and Students of Magen David Yeshivah. Brooklyn, NY." Part of a series of 11 flags, each dedicated to one of the victims. Additional photograph shows the entire set of 11.

Typed bilingual Hebrew and English letter from a student at Hebrew Academy, a private Jewish day school in Montreal, Quebec. In English, the letter reads: "Dear Rabbi, I am very sorry for what happened in your shul. I hope everyone that got injured will heal quickly. I hope that it will never happen again. Sincerely, Max [last name redacted] From Hebrew Academy."