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.

Post-it note with handwritten message in black ink. The message reads: "Sending love, support, and solidarity." Color bleeding due to exposure to the elements at the Wilkins memorial.

Card with illustrated sunflower. Inscribed in ink with the following message: "Hate cannot break our Steel City." Signed: "equal [=] love [heart] Star of David."

Post-it note with handwritten message in green marker. The message reads: "Love Wins [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.

Post-it note with handwritten message in green marker. The message reads: "Sincere condolences to all the families. Let there BE PEACE [underlined] on EARTH and Let it Begin with ME. Philomena."

White envelope addressed to Tree of Life Congregation. Handwritten in black ink. Staining due to exposure to the elements at the Wilkins memorial.

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.

Post-it note with handwritten message in blue marker. The message reads: "Love and solidarity from the Bay Area."

Post-it note with handwritten message with blue marker. The message reads: "Never Forget. Love from D.C."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "My prayers are with you all during this unbelievable time of sadness for all of you in this congregation. I was so touched by the love... a beautiful outpouring of love, that you shared with one another during the vigils. The entire community is praying for all of you, and I hope that you are feeling surrounded by our love and prayers! Praying also for peace in our world! Kirsten, with love and blessings."

Torn page from a children's coloring book with illustrations of a seal and fish on the front and a lion on the back.

Envelope containing handwritten notes from the first grade religious school class at Congregation Beth Torah in Richardson, Tx. Handwritten text on envelope reads, "Hand delivered with our deepest love and sympathy. From the first grad religious school class. Congregation Beth Torah, Richardson, Texas. May their memories be for a blessing."

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside confirms God's love and urges the reader not to let hate triumph over faith. The church's contact information is included on the back of the envelope.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of seven children holding hands around a table with a large goblet and loaf of braided bread, and seven doves. The illustration is labeled: "We are people of God's peace." The sender added the following inscription below, writing: "Tree of Life Members, Holy Angels CCD." The inside reads: "There is always hope" and features a large cross.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "I am so sorry for the loss in your community. I hope you know there are many in our church and community who support you in your loss with our prayers."