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.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a bird feather with geometric motifs. The back contains a handwritten note, which reads: "I'm sorry for your loss and I know what it like to lose someone dear to you but it is ok they will always love you no matter where you or the[y] are. -Owen H." The stock signature: "From your friends at West Allegheny Middle School," appears upside down on the upper right.

Handwritten note written in black marker on dotted graph paper. The note reads: "Pray for the dead and fight like hell for the living." Creasing and staining due to exposure to the elements at the Wilkins memorial.

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."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated Nov. 4, 2018 and reads: "Dear Tree of Life Synagogue Members, Our prayers are with you during this difficult time. May you find strength and comfort in your faith and fellowship. Our community prays for yours, with love, The [redacted] Family and Point Loma Comm. Presbyterian Church."

Note card which reads: "GOD BLESS YOU [heart]."

Business card from Pastor J. Hogan of Faithbridge Community Church.

13-page program. Black text on blue paper. Contains selection of readings and prayers as part of a "Sabbath of Learning" service.

Post-it note with handwritten message in blue marker. The message reads: "Thank you for being strong."

Post-it note with handwritten message in blue marker. Tape in the upper left corner. The message reads: "This Temple's response to all this hate is beautiful. Hate is not welcome here or anywhere! My blessings to all."

Wooden pedestal painted white with white Star of David and red heart affixed to front. Handwritten in pencil and black marker on the Star of David is the name "Bernice Simon." Collaged onto the heart are white pieces of paper and a translation of Psalm 34:18: "The Lord is close to the broken hearted and saves those who are crushed in spirit." Accompanying image shows all 11 Stars of David in the series.

Card with colored pencil and marker illustration. When opened, front side shows illustrations of two five pointed stars and a stack of hearts, and is inscribed: "Margow. We are sorry for your loss." Back shows a tree with spiral-shaped branches and heart-shaped bow and arrows with a rectangular border with hearts in each corner.

Collage with a hand drawn tree in the center; leaves comprised of multicolored tissue paper. Handwritten messages in pencil and pink ink on either side of the tree.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Members of the Tree of Life Synagogue- My thoughts and prayers are with you as you grieve the loss of 11 of your friends, family, and members. The members of my church, Point Loma Community Presbyterian Church in San Diego, California have been praying for your congregation. We hope and pray that over time your hearts will heal and peace will enter to fill the void left by the 11. El."

Page of typed text on off-white paper. Features illustration of a lotus blossom. Details speakers at program.

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.

Handwritten card in colored pencil on paper. A blue and green colored globe, surrounded by alternating male and female stick figures in purple, red, and yellow, appears in the center. The globe is inscribed: "We are thinking of YOU!!" The upper and lower edge of the card reads, in Hebrew: "Am Yisrael Chai"(the People of Israel live). Four Stars of David appear on either side of the globe. Signed: "Hannah S. 8th grade at Yeshivat Noam."

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.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "May God bring you peace and blanket you with His love during this difficult time."

Large square card from a student at Fountain Valley School in Colorado Springs, Co. Card features several messages on paper heart cut-outs. Message on upper left heart: "Dear members of Tree of Life Synagogue, I'm from China. I heard about the tragic news that happened on October 27th. I'm sorry for your loss..." Message on upper right heart reads: "I'm Christian, and I'm with you. Wish you all the BEST... I stand with you.