Post-it note with handwritten message in green marker. The message reads: "To never be silent at the arms of our oppressors."

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.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated 11/4/2018 and reads: "June [last name redacted] My sincere heartfelt condolences to my Jewish family. This is a really heartfelt and sad time for me as Jews from Philadelphia sponsored me into this beautiful country allowing me to become a permanent resident. I lived with them for 18 months and raised their daughters as her nanny house keeper.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Tree of Life Synagogue, 'Blessed are those who mourn for they will be comforted.' Know God's arms are wrapped around your community and the love of all of us are cradling you. Love, Susan [last name redacted], Moderator, Presbytery of San Diego.

Folded card with marker illustrations. Cover features two balloons with text "It's fine we are here with you." Interior features illustration of abstract diamond designs with text, "I'm saddened by the tragic attack on your community in Pittsburgh - and on all Jews. Please know that you are not alone, and have lots of support from good people near and far. L'shalom."

Post-it note with handwritten message in blue ink. The message reads: "Full recovery for all injured."

Post-it note with handwritten message in blue ink. The note is written in Hebrew. Translated into English, the message reads: "May their memories be for a blessing. May God avenge their blood."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated 11/4/18 and reads: "Dear All, Our hearts are crying with you. We feel you[r] pain. We pray you can worship in your house and feel safe. With Halloween just passing, I am reminded of skeletons and the fact they all look the same. We can't tell someone's faith, color, etc. We are all the same- people of God. Point Loma Community Presbyterian Church is with you, supports you, cares for you. Mary [last name redacted] Elementary School Teacher."

Folded card in the shape of a Star of David from a student at Fountain Valley School in Colorado Springs, Co. Card reads: "Dear members of Tree of Life Synagogue, I am an international student from Japan. I heard sad news at October 27th. I feel so sorry for that. Stay strong, I stand with you. Shalom." Illustrated with a Star of David and Japanese flag lower center.

Card from the Friendship Circle of Illinois. On the left side, the card reads: "To the Jewish community of Pittsburgh sheyichyu (may they live), I will take upon myself to stay in shul (synagogue) at least for 3 aliyas (sections Torah reading where a congregant is called up to the reading podium). On the right side, the card contains cartoonish illustrations of a building and several figures. The acronym "B"SD" (with the help of heaven) appears on the upper right.

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: "Sending Prayers and Love to you. I pray the peace of God will fill your hearts."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "My heart aches for all of your community of faith who have suffered such a senseless and tragic loss. Please know that we, who have faith and hope in God, know that you are not alone. We are with you. Please accept my heartfelt sympathy. I pray for your peace. Shalom, Sarah."

Folded card with marker and colored pencil illustration. Front and back cover feature spread of tree emerging from blue field. Interior features scribbles and name "Veronica." Additional message reads "Our hearts go out to you at this tragic time, along with our wishes for healing. The Beth Chai Congregation of Greater Washington, D.C."

Post-it note with handwritten message in green marker. The message reads: "Love is all you need!" The "o" is written as a heart.

Post-it note with handwritten message in green marker. The message reads: "In this time where hate is prevalent...let's remind each other of how much good there is and teach our children the importance of."

Handwritten and illustrated card on light blue paper. The card reads: "We love you!" Signed: "Your friend, Bennett." Illustrations of sun, various flowers, and five hearts appear in the center.

Folded card on blue paper with hand drawn illustrations and assorted stickers featuring various animals and other items, including owls, paw prints, lady bugs, bears, a fish, flower, cat, and the Disney character, Tinkerbell.

Typed letter addressed to Jerry Rabinowitz from Louis D. Louis identifies himself as a gay patient of Rabinowitz during the 1980s. He thanks for Rabinowitz for his sensitivity and care. The letter is enclosed in a plastic page protector and has tape residue on the back from the Wilkins memorial.