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.

Floral tag from floral arrangement sent by the Manitoba Islamic Association in Canada. The tag reads: "Words cannot begin to express our sorrow at the senseless attack at a house of worship. Please accept our deepest condolences from the Manitoba Islamic Association." The message is printed on a tag from a local florist.

Floral tag from floral arrangement, which reads: "Love will always prevail. Together against hate." The message is written in black ink on a printed tag with multicolored flowers in the lower right corner. Tape in the upper center. The reverse is stamped with the contact information for Squirrel Hill Flower Shop.

Note addressed to all the victims of the October 27 attack. Written on a dark grey card.

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 inside reads: "There can't be light without the dark. We are praying for your safety and peace. Holy Angels CCD." Spelling errors corrected for clarity.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. The inside reads: "Dear Tree of Life members, I am keeping you and all of the others affected by this tragedy. My deepest sympathy, Molly [last name redacted] Holy Angels CCD."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "My thoughts and prayers are with you. Clara [last name redacted]."

Clear glass globe vase with rippled lip. Vase filled with translucent marbles and two synthetic light pink roses.

Glass jar containing nine miniature Israeli and American flags.

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

Pittsburgh Penguins hockey jersey with team logo on front and "Crosby 87" on back. Detail shows manufacturer's patch featuring the logo of Tree of Life-Or L'Simcha Congregation and the logo of the Pittsburgh Penguins above the words "Stronger Than Hate."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated 11-4-2018 and reads: "Dear Friends, I wish I was there to put my arms around all of you but all I have is this paper and pen. May you sense comfort and care through these note and know that I and many more from the community in San Diego stand in solidarity with you and your community. We condemn such violence against God's children whom we all are on this earth and hope for a time of safety and peace throughout, soon!! God's peace, Sandy."

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. Due to water exposure at the memorial site, the message in this card has been partially erased. The remaining text reads: "everyone...we wish the best for everyone who was effected. Michael, Holy Angels CCD 6th grade."

Letter dated 10/30/18 from a student at the Hadar Institute, an egalitarian Yeshiva and center for Jewish life located in the Upper West Side of Manhattan.

Folded card with crayon and marker illustration. Cover features smiley face. Interior features illustration of heart and of rising sun. Text reads, "Things do get better. We are so sorry for your loss and all the pain you've endured in recent days. Sending our best wishes and love for healing and peace in the days ahead. Beth [last name redacted for privacy] of Beth Chai Congregation in Maryland.

Handwritten card written in pencil, blue and purple crayon, on paper. The note is from a seven year old child [name is illegible]. The note reads: "We won't forget how you spread kindness so we will do the same to the world. Be kind all around." An illustration of a globe appears below. Spelling errors corrected for clarity. Staining and tearing due to exposure to the elements at the Wilkins memorial.

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 contains words of prayer and encouragement. The church's contact information is included on the back of the envelope.

Folded card with marker illustration. Cover features illustration of tree with ladder. Interior reads, "We are with you at this sorrowful time. The Beth Chai Congregation of Greater Washington." Back cover reads "I hope you feel better. P.S. We will donate $ to you" with two five-pointed stars.